単たん葉よう

noun

simple leaf; unifoliate leaf

Botanical term for a leaf that is not divided into leaflets. Contrasts with 複葉 (compound leaf).

See also: 複葉

• この植しょく物ぶつは単たん葉ようで、葉はが一いち枚まいずつ茎くきについている。

  This plant has simple leaves, with each leaf attached singly to the stem.

noun

monoplane

Aviation term for an aircraft with a single pair of wings. Contrasts with 複葉 (biplane).

See also: 複葉

• 初しょ期きの飛ひ行こう機きは複ふく葉ようが多おおかったが、後のちに単たん葉ようが主しゅ流りゅうになった。

  Early airplanes were mostly biplanes, but later monoplanes became mainstream.