| ACQUAINTING | • acquainting v. Present participle of acquaint. • ACQUAINT v. to cause to know. |
| ACQUITTANCE | • acquittance n. (Now historical) A writing which is evidence of a discharge; a receipt in full, which bars a further demand. • acquittance n. (Now rare) Payment of debt; settlement. • acquittance n. (Now historical) The release from a debt, or from some obligation or duty; exemption. |
| AQUAEROBICS | • aquaerobics n. Synonym of water aerobics. • AQUAEROBICS n. a system of exercises, similar to aerobics, performed to music in chest-high water, also AQUAROBICS. |
| AQUANAUTICS | • AQUANAUTICS n. skin-diving. |
| AQUAPHOBICS | • aquaphobics n. Plural of aquaphobic. • AQUAPHOBIC n. someone with a morbid fear of water. |
| AQUATICALLY | • aquatically adv. In an aquatic style or manner. • AQUATIC adv. relating to water. |
| BIQUADRATIC | • biquadratic adj. (Mathematics) Of a polynomial expression, involving only the zeroth, second, and fourth powers of a… • biquadratic n. (Mathematics) A biquadratic equation. • BIQUADRATIC n. a quantity twice squared, or raised to the fourth power. |
| EQUIBALANCE | • equibalance n. Equal weight; equiponderance. • equibalance v. (Transitive) To make of equal weight; to counterbalance. • EQUIBALANCE n. equipoise. |
| PREACQUAINT | • preacquaint v. (Transitive) To acquaint beforehand. • PREACQUAINT v. to acquaint beforehand. |
| QUADRASONIC | • quadrasonic adj. Quadraphonic. • QUADRASONIC adj. relating to a system of sound recording and reproduction that uses four independent loudspeakers to give directional sources of sound. |
| QUADRATICAL | • quadratical adj. (Rare) quadratic. • QUADRATICAL adj. involving the square but no higher power, as a quadratic equation, also QUADRATIC. |
| REACQUAINTS | • reacquaints v. Third-person singular simple present indicative form of reacquaint. • REACQUAINT v. to acquaint again. |
| SEMIAQUATIC | • semiaquatic adj. (Of animals) Spending part of the life cycle underwater. Also, spending a significant proportion of… • semiaquatic adj. (Of plants) Having the roots partially or entirely underwater. • semi-aquatic adj. Alternative form of semiaquatic. |
| SQUIRARCHAL | • SQUIRARCHAL adj. related to the squirarchy, also SQUIRARCHICAL, SQUIREARCHAL, SQUIREARCHICAL. |
| UNACQUAINTS | • UNACQUAINT v. to deprive (a person) of awareness or acquaintance. |