極微

(1)infinitely or immeasurably small; "two minute whiplike threads of protoplasm"; "reduced to a microscopic scale"

(2)無限にまたは測定不能程に小さい

(1)two minute whiplike threads of protoplasm

(2)原形質の2つの小さなむちのようなひも

(3)reduced to a microscopic scale

(4)顕微鏡的なサイズに減らす