01 · featured vocabulary
hypothesis
Definition: a proposed explanation that can be tested
Example: “The experiment supported the original hypothesis.”
Forms: hypothesis (n.), hypotheses (pl.), hypothesize (v.)
Synonyms: theory, proposition
topic vocabulary
This topic guide gives you practical science vocabulary for speaking, writing, reading, and listening.
Featured word or expression
Definition: a proposed explanation that can be tested
Example: “The experiment supported the original hypothesis.”
hypothesis (n.), hypotheses (pl.), hypothesize (v.)
theory, proposition
Learn these words as a connected set, then write one original sentence with each item.
Complete learning list
Definitions, examples, and audio pronunciation
01 · featured vocabulary
Definition: a proposed explanation that can be tested
Example: “The experiment supported the original hypothesis.”
Forms: hypothesis (n.), hypotheses (pl.), hypothesize (v.)
Synonyms: theory, proposition
02 · adjective
Definition: Having power and influence over others; most prominent.
Example: “English has become the dominant language of global business.”
03 · verb
Definition: To develop or present in detail; to add more information.
Example: “Could you elaborate on the key points of your proposal?”
04 · adjective
Definition: Becoming prominent or well-known for the first time.
Example: “Artificial intelligence is an emerging field with vast potential.”
05 · adjective
Definition: Based on observation or experience rather than theory.
Example: “Empirical evidence is essential for scientific research.”
06 · verb
Definition: To intensify, increase, or further improve the quality of something.
Example: “Regular reading can significantly enhance your vocabulary.”
07 · verb
Definition: To destroy or remove completely.
Example: “Global efforts to eradicate polio have been largely successful.”
08 · adjective
Definition: Relating to moral principles; morally right.
Example: “Researchers must follow strict ethical guidelines when working with human subjects.”
09 · verb
Definition: To form an opinion about the value or quality of something.
Example: “Students are required to evaluate the reliability of their sources.”
10 · adjective
Definition: Clearly seen or understood; obvious.
Example: “The improvement in students' scores was evident after the new program.”
11 · verb
Definition: To develop gradually over time.
Example: “Language continues to evolve as new words enter common use.”
12 · adjective
Definition: Stated clearly and in detail, leaving no room for confusion.
Example: “The contract included explicit terms regarding payment.”
13 · verb
Definition: To rise and fall irregularly in number or amount.
Example: “Currency values fluctuate according to market conditions.”
14 · verb
Definition: To create or devise a plan, policy, or method systematically.
Example: “Scientists formulate hypotheses before conducting experiments.”
15 · adjective
Definition: Of central importance; forming a necessary base.
Example: “Access to clean water is a fundamental human right.”
16 · verb
Definition: To produce or create something.
Example: “Renewable energy sources generate electricity without carbon emissions.”
17 · verb
Definition: To explain or make something clear by using examples or comparisons.
Example: “The graph illustrates the rise in global temperatures over the past century.”
18 · adjective
Definition: Implied but not directly expressed.
Example: “There was an implicit agreement that no one would speak about the matter.”
19 · noun
Definition: Something that motivates or encourages someone to do something.
Example: “Tax reductions serve as an incentive for businesses to invest locally.”
20 · adjective
Definition: Certain to happen; unable to be avoided.
Example: “Globalisation made cultural exchange inevitable.”
21 · verb
Definition: To conclude from evidence and reasoning.
Example: “From the data, we can infer that the trend will continue.”
22 · adjective
Definition: Introducing new ideas; original and creative.
Example: “The company is known for its innovative approach to product design.”
23 · adjective
Definition: Necessary to make a whole complete; essential.
Example: “Critical thinking is integral to academic success.”
24 · verb
Definition: To explain the meaning of something.
Example: “Results can be interpreted in different ways depending on the framework used.”
25 · verb
Definition: To show or prove to be right or reasonable.
Example: “You must justify your argument with evidence from reliable sources.”
26 · adjective
Definition: Responsible by law; likely to do or suffer something.
Example: “Companies are liable for the environmental damage they cause.”
27 · adjective
Definition: Conforming to the law or rules; justifiable.
Example: “The workers had legitimate concerns about their working conditions.”
28 · verb
Definition: To reduce something to the smallest possible amount.
Example: “The company took steps to minimize its environmental impact.”
29 · verb
Definition: To make something less severe or less serious.
Example: “Planting trees can help mitigate the effects of climate change.”
30 · noun
Definition: A concept or belief about something.
Example: “The notion that success depends solely on intelligence is outdated.”
31 · adjective
Definition: Not influenced by personal feelings; considering only facts.
Example: “A good academic essay should present an objective analysis of the topic.”
32 · noun
Definition: A thing that blocks or hinders progress.
Example: “Lack of funding remains the biggest obstacle to research.”
33 · verb
Definition: To get, acquire, or secure something.
Example: “You must obtain permission before using copyrighted material.”
34 · noun
Definition: A typical example or pattern; a model or framework.
Example: “The discovery led to a paradigm shift in scientific thinking.”
35 · verb
Definition: To become aware of or understand something.
Example: “Many people perceive social media as a threat to privacy.”
36 · verb
Definition: To continue firmly despite obstacles or opposition.
Example: “Inequality tends to persist without targeted government intervention.”
37 · noun
Definition: A fact or situation that is observed to exist, especially one whose cause is in question.
Example: “Urban migration is a global phenomenon driven by economic factors.”
38 · adjective
Definition: Dealing with things practically rather than theoretically.
Example: “The manager took a pragmatic approach to solving the budget crisis.”
39 · noun
Definition: A statement assumed to be true as the basis for an argument.
Example: “The argument rests on the premise that education reduces poverty.”
40 · adjective
Definition: Widespread in a particular area at a particular time.
Example: “Obesity is increasingly prevalent in developed countries.”
41 · noun
Definition: A fundamental truth or proposition that serves as the foundation for a system.
Example: “The principle of equality underpins democratic governance.”
42 · adjective
Definition: Having great depth or intensity; very great.
Example: “The industrial revolution had a profound effect on society.”
43 · verb
Definition: To support or actively encourage a cause, venture, or aim.
Example: “The campaign aims to promote healthy lifestyle choices.”
44 · noun
Definition: A part, share, or number considered in comparison with a whole.
Example: “A large proportion of the population lives in urban areas.”
45 · noun
Definition: A set of reasons or logical basis for a course of action.
Example: “The report explained the rationale behind the new policy.”
46 · verb
Definition: To strengthen or support, especially with additional evidence.
Example: “These findings reinforce the importance of early childhood education.”
47 · adjective
Definition: Closely connected or appropriate to the matter in hand.
Example: “Only relevant evidence should be included in an academic argument.”
48 · adjective
Definition: Unwilling and hesitant.
Example: “Many people are reluctant to change long-established habits.”
49 · noun
Definition: An unintended consequence occurring later as a result of an event.
Example: “The financial crisis had serious repercussions for global trade.”
50 · verb
Definition: To find a solution to a problem or dispute.
Example: “Negotiations were held to resolve the conflict peacefully.”
51 · verb
Definition: To put a limit on; keep under control.
Example: “New laws restrict the use of single-use plastics.”
52 · verb
Definition: To continue to have something; keep possession of.
Example: “It is important to retain key staff during times of transition.”
53 · adjective
Definition: Important, notable, or large enough to have an effect.
Example: “There was a significant increase in unemployment last year.”
54 · adverb
Definition: At the same time.
Example: “The two processes occur simultaneously in the cell.”
55 · adjective
Definition: Developed to a high degree of complexity or refinement.
Example: “Modern technology provides increasingly sophisticated tools for learning.”
56 · adjective
Definition: Based on personal feelings or opinions rather than facts.
Example: “Art appreciation is often considered a subjective experience.”
57 · adjective
Definition: Of considerable size, value, or importance.
Example: “The project required a substantial investment of time and resources.”
58 · adjective
Definition: Enough; adequate for the purpose.
Example: “There is not sufficient evidence to draw a definitive conclusion.”
59 · verb
Definition: To maintain or support over a long period.
Example: “Sustainable agriculture helps sustain food supplies for future generations.”
60 · noun
Definition: An inclination towards a particular way of behaving.
Example: “There is a tendency to overlook the social causes of crime.”
61 · adjective
Definition: Concerned with theory rather than practice.
Example: “The paper presents a theoretical framework for understanding behaviour.”
62 · verb
Definition: To make a thorough or dramatic change in form, appearance, or character.
Example: “Digital technology has transformed the way people communicate.”
63 · verb
Definition: To weaken or damage something, especially gradually.
Example: “Corruption can undermine trust in public institutions.”
64 · adjective
Definition: Applicable to all cases; relating to all people.
Example: “Education is widely considered to be a universal right.”
65 · verb
Definition: To demonstrate or confirm the truth or validity of something.
Example: “Further research is needed to validate these preliminary findings.”
66 · noun
Definition: An element that can change or be changed in an experiment.
Example: “Temperature was controlled as a variable in the experiment.”
67 · adjective
Definition: Capable of working successfully; feasible.
Example: “Solar power is a viable alternative to fossil fuels.”
68 · noun
Definition: A tendency to change rapidly and unpredictably.
Example: “Market volatility makes long-term investment planning difficult.”
69 · adjective
Definition: Distributed or occurring over a wide area or among many people.
Example: “Misinformation has become widespread due to social media.”
70 · verb
Definition: To produce or provide a natural, agricultural, or industrial product.
Example: “The experiment yielded unexpected but significant results.”
71 · adjective
Definition: Having mixed feelings or contradictory ideas about something.
Example: “Many voters felt ambivalent about the proposed reforms.”
72 · adjective
Definition: Giving a lot of information clearly in few words.
Example: “A concise summary is more effective than a lengthy explanation.”
73 · adjective
Definition: Causing or likely to cause argument.
Example: “Immigration remains a contentious issue in many democracies.”
74 · verb
Definition: To use up the supply or resources of something.
Example: “Overfishing has depleted fish stocks in many of the world's oceans.”
75 · adjective
Definition: Causing harm or damage.
Example: “Excessive screen time can be detrimental to children's development.”
Which option is closest in meaning to hypothesis?
Say the featured word aloud, read its definition, and notice its role in the example sentence. Next, connect it to one synonym and one related word. Finally, write a sentence about your own experience. This sequence creates several retrieval paths and makes the vocabulary easier to use spontaneously.
Check the word form before placing vocabulary in a sentence. Nouns, verbs, adjectives, and adverbs occupy different grammatical positions. For phrasal verbs and idioms, learn the entire expression and its typical object pattern. Accurate, natural use is more valuable than forcing advanced vocabulary into every sentence.