sterile
https://gyazo.com/70381ac384ae32d34e0f0819d164e183
source: By cuboulder - Clean Room, CC0
adjective
1. not able to produce children or young:
比較なし 〈動物･人などが〉子ができない, 不妊の
e.g. the disease had made him sterile.
(of a plant) not able to produce fruit or seeds:
〈植物などが〉繁殖力のない, 実を結ばない(↔ fertile)
e.g. the peppermints are vigorous sterile hybrids.
(of land or soil) too poor in quality to produce crops:
〈土地などが〉不毛の, やせた
e.g. vast tracts of sterile desert land.
lacking in imagination, creativity, or excitement; uninspiring or unproductive:
〈考え･議論･文章などが〉不毛の, 新鮮味に乏しい, むだな, 想像力に欠けた; 〈建物･場所などが〉おもしろみのない, 魅力のない
e.g. he found the fraternity's teachings sterile.
2. free from bacteria or other living microorganisms; totally clean:
無菌の, 殺菌した
e.g. a sterile needle and syringes.
DERIVATIVES
sterilely |ˈsterə(l)lē| adverb
ORIGIN
late Middle English: from Old French, or from Latin sterilis; related to Greek steira ‘barren cow’. sterile (sense 2) dates from the late 19th century.