definition
An extract; a preparation, now especially one effective against a certain number of strains of a pathogen.
definition
The combining capacity of an atom, radical or functional group determined by the number of electrons that it will lose, gain, or share when it combines with other atoms etc.
synonyms
definition
The number of binding sites of a molecule, such as an antibody or antigen.
definition
The number of arguments that a verb can have, including its subject, ranging from zero (for the likes of "It rains") to three (for the likes of "He gives her a flower") or, less commonly, four.
example
The number of bonds that a verb has constitutes what we will call the valence of the verb.
synonyms
definition
A one-dimensional value assigned to an object, situation, or state, that can usually be positive or negative.
example
anger and fear have negative valence
definition
Value.