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In modern usage, a definition is something, typically expressed in words, that attaches a meaning to a word or group of words. The word or group of words that is to be defined is called the definiendum, and the word, group of words, or action that defines it is called the definiens. [ 6] For example, in the definition "An elephant is a large ...
Ethics is the philosophical study of moral phenomena. Also called moral philosophy, it investigates normative questions about what people ought to do or which behavior is morally right. The main branches of ethics include normative ethics, applied ethics, and metaethics . Normative ethics aims to find general principles that govern how people ...
An intensional definition gives meaning to a term by specifying necessary and sufficient conditions for when the term should be used. In the case of nouns, this is equivalent to specifying the properties that an object needs to have in order to be counted as a referent of the term. For example, an intensional definition of the word "bachelor ...
Science is a strict systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the world. [1] [2] Modern science is typically divided into three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study ...
The term transgender does not have a universally accepted definition, including among researchers. [10] [11] Being transgender is distinct from sexual orientation, and transgender people may identify as heterosexual (straight), homosexual (gay or lesbian), bisexual, asexual, or otherwise, or may decline to label their sexual orientation. [12]
Sustainability is a social goal for people to co-exist on Earth over a long time. Definitions of this term are disputed and have varied with literature, context, and time. [ 2 ][ 1 ] Sustainability usually has three dimensions (or pillars): environmental, economic, and social. [ 1 ]
Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, value, mind, and language. It is a rational and critical inquiry that reflects on its own methods and assumptions. Historically, many of the individual sciences, such as physics and ...
Health. Health has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional wellbeing, especially that associated with normal functioning of the human body, absent of disease, pain (including mental pain ), or injury . Health can be promoted by encouraging healthful ...