Table of Contents
1. cell_theory
noun. (biology) the theory that cells form the fundamental structural and functional units of all living organisms; proposed in 1838 by Matthias Schleiden and by Theodor Schwann.
Synonyms
3. theory
noun. ['ˈθɪri, ˈθiːɝi'] a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena.
Etymology
- theory (English)
- theoria (Latin)
- θεωρία (Ancient Greek (to 1453))
4. theory
noun. ['ˈθɪri, ˈθiːɝi'] a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena.
Etymology
- theory (English)
- theoria (Latin)
- θεωρία (Ancient Greek (to 1453))
5. theory
noun. ['ˈθɪri, ˈθiːɝi'] a belief that can guide behavior.
Antonyms
Synonyms
Etymology
- theory (English)
- theoria (Latin)
- θεωρία (Ancient Greek (to 1453))
7. cell
noun. ['ˈsɛl'] (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals.
8. cell
noun. ['ˈsɛl'] a device that delivers an electric current as the result of a chemical reaction.