Definition

1. Verb:

   • To inflect (a verb) in its various forms: To list or state the different forms of a verb according to person, number, tense, mood, and aspect.
   • To unite or combine, especially in a pair: To join together, often in a complementary or corresponding way.
   • (Biology) To undergo conjugation: To temporarily unite and exchange genetic material, as in certain bacteria and protozoa.

2. Adjective:

   • Joined together, especially in a pair: Paired or coupled.
   • (Chemistry) Relating to a compound formed by the union of two molecules: Often used to describe a system where double bonds are separated by a single bond.
   • (Mathematics) Joined in a reciprocal relation: Such that one is the complement or counterpart of the other.

3. Noun:

   • A conjugate substance or entity: Something that is joined with another, especially one of a pair.
   • (Chemistry) One of a pair of conjugate solutions: In a mixture of two partially miscible liquids, one of the two coexisting saturated solutions.

Usage Examples

• Verb:

  • In French class, we had to conjugate the verb "être" (to be) in the present tense.
  • These two chemicals conjugate to form a stable compound.
  • Some single-celled organisms conjugate to exchange genetic information.

• Adjective:

  • The conjugate angles add up to 180 degrees.
  • Beta-carotene is a conjugate polyene with many double bonds.
  • The two theories are conjugate to each other.

• Noun:

  • In this chemical system, the conjugate of acid A is base B.
  • The mixture separates into two conjugates: one rich in component A and the other in component B.

Advanced Usage

• "Conjugate base/acid" (Chemistry): A base/acid formed when an acid loses/gains a proton.

  • When hydrochloric acid (HCl) loses a proton, its conjugate base, chloride ion (Cl⁻), is formed.

• "Complex conjugate" (Mathematics): For a complex number, the number with an equal real part and an imaginary part equal in magnitude but opposite in sign.

  • The conjugate of the complex number 3 + 4i is 3 - 4i.

Variants and Related Words

• Conjugation (n): The process or result of conjugating, especially the inflection of verbs or the union of gametes.
  • Verb conjugation in Latin is very systematic.
• Conjugated (adj): Describes something that has undergone conjugation.
  • A conjugated protein contains a non-protein component.

Synonyms

• Inflect (v): To change the form of a word to express grammatical function.
• Pair (v/n): To put together or form a couple; two corresponding things.
• Combine (v): To join or merge to form a single entity.

Related Phrases (Phrasal Verbs)

(Note: "Conjugate" is not commonly used in phrasal verb constructions. Its primary uses are as defined above.)

Related Idioms

(Note: There are no common idioms centered on the word "conjugate." Its usage is primarily technical in grammar, science, and mathematics.)

Adjective

1. of an organic compound; containing two or more double bonds each separated from the other by a single bond
2. formed by the union of two compounds
   • a conjugated protein
3. (of a pinnate leaflet) having only one pair of leaflets
4. joined together especially in a pair or pairs

Noun

1. a mixture of two partially miscible liquids A and B produces two conjugate solutions: one of A in B and another of B in A

Verb

1. undergo conjugation
2. add inflections showing person, number, gender, tense, aspect, etc.
   • conjugate the verb
3. unite chemically so that the product is easily broken down into the original compounds