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The common wormwood (Artemisia absinthium), an intensely bitter plant, used as a tonic and for making the oil of wormwood.

Sour, bitter, and harsh to the taste, as unripe fruit; sharp and harsh.

To sour; to imbitter; to irritate.

Sourness of taste, with bitterness and astringency, like that of unripe fruit.

To sour; to imbitter. His thin existence all acidified into rage. Carlyle.

Sharp and harsh, or bitter and not, to the taste; pungent; as, acrid salts.

The quality of being acrid or pungent; irritant bitterness; acrimony; as, the acridity of a plant, of a speech.

Caustic; bitter-tempered' sarcastic; as, acrimonious dispute, language, temper.

Sharpness or severity, as of language or temper; irritating bitterness of disposition or manners. John the Baptist set himself with much acrimony and indignation to baffle this senseless arrogant conceit of theirs. South.

n intoxicating liquor made from an infusion of malt by fermentation and the addition of a bitter, usually hops.

To allay or alleviate; to lighten. [Obs.] That shall alegge this bitter blast. Spenser.

To alleviate; to abate; to mitigate; as, to allay the severity of affliction or the bitterness of adversity. It would allay the burning quality of that fell poison. Shak.

One of the tonsils. Almond oil, fixed oil expressed from sweet or bitter almonds. -- Oil of bitter almonds, a poisonous volatile oil obtained from bitter almonds by maceration and distillation; benzoic aldehyde. -- Imitation oil of bitter almonds, nitrobenzene. -- Almond tree (Bot.), the tree bearing the almond. --…

A bitter purgative principle in aloes.

A characteristic crystalline substance, obtained from oil of bitter almonds.

Bitterness. [R.]

gregated into masses. It has a peculiar smell, and a nauseous, sweet taste, followed by a bitter one. It is inflammable, partially soluble in water and in spirit of wine, and is used in medicine as an expectorant and resolvent, and for the formation of certain plasters.

A glucoside extracted from bitter almonds as a white, crystalline substance.

A bitter principle obtained from the dogbane (Apocynum cannabinum).

A kind of etching in which spaces are bitten by the use of aqua fortis, by which an effect is produced resembling a drawing in water colors or India ink; also, the engraving produced by this method.