conjugation

1. (biology) The temporary fusion of organisms, especially as part of sexual reproduction.countableuncountable

2. (grammar) In some languages, one of several classifications of verbs according to what inflections they take.Examples: "In ſo moche that if any verbe be of the thyꝛde coniugation / I ſet out all his rotes and tenſes[…]"countableuncountable

3. (grammar) The act or process of conjugating a verb.countableuncountable

4. (grammar) The product of that act: the conjugated forms of a verb, collected into a list or recitation.Examples: "Meronym: principal parts"countableuncountable

5. (grammar, sometimes proscribed) Inflection of nouns or other words besides verbs; declension.Examples: "Nouns ending in a vowel other than a, which do not conform to any phonological pattern of noun conjugation, do not decline."countableform-ofproscribedsometimesuncountable

6. (chemistry) A system of delocalized orbitals consisting of alternating single bonds and double bonds.countableuncountable