valence
nounB1Định nghĩa theo từ loại
Danh từ
noun- 1.
(countable, uncountable)The combining capacity of an atom, functional group, or radical determined by the number of atoms of hydrogen with which it will unite, or the number of electrons that it will gain, lose, or share when it combines with other atoms, etc.
Đồng nghĩa: atomicity, quantivalence, quantivalency, valency
- 2.
(countable, uncountable)The number of binding sites of a molecule, such as an antibody or antigen.
- 3.
(countable)(countable, linguistics) The number of arguments that a verb can have, including its subject, ranging from zero to three or, less commonly, four.
In this assignment you will analyze each of the following sentences and determine the valence of the highlighted verb.
Đồng nghĩa: valency
- 4.
(especially, uncountable)(uncountable, especially psychology) A one-dimensional value assigned by a person to an object, situation, or state, that can usually be positive (causing a feeling of attraction) or negative (repulsion).
anger and fear have negative valence
- 5.
(uncountable)(uncountable, sociology) The value which a person places on something.
- 6.
(countable, uncountable)(algebraic geometry) For a correspondence T on a curve: a number k such that the divisors T(P)+kP are all linearly equivalent.
- 7.
(alt of, alternative)Alternative spelling of valance.
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thumb|A valence diagram#Noun|diagram of [[methane showing that one carbon atom can combine with a maximum of four hydrogen atoms, or that it makes four electrons available to form covalent chemical bonds, which means that it has a valence (Q171407) of four or is tetravalent.]]