(colloquial, uncountable) a large amount; a lot.

(colloquial) a lot; a great deal.

(British, colloquial, vulgar, uncountable) a large amount; a lot.

(British, colloquial, vulgar) a lot; a great deal.

(archaic) To lessen, to subtract something from.

(rare) Wild, reckless, harum-scarum.

plural of Abbe number

plural of Abbe-Zeiss apparatus

A number that represents the reciprocal of the dispersive power of a substance with transparent qualities.

(medicine) A device for counting blood cells.