幾何|きかkika[1]atamadaka (head-high)

1. noungeometry
   明日あす幾何きかの試験しけんがあります。↗

   We're having an examination in geometry tomorrow.

• Synonym幾何学きかがくNeutralThe formal name of the branch of mathematics; 「幾何」 is simply its shortened form. In everyday speech, 「幾何の授業」 is a common way to refer to geometry class.
• SynonymジオメトリーNeutralA loanword meaning geometry or geometric shapes, used chiefly as a term in computer graphics rather than for the school subject.

For the branch of mathematics dealing with figures and space, say 「幾何学」, or its short form 「幾何」, as in 「幾何の問題」 and 「幾何学模様」. For computer graphics, use 「ジオメトリー」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 「きく」の未然形みぜんけい。