位い相そう

noun

phase (wave, electricity, moon)

Physics term for the stage in a cycle, such as wave phase, electrical phase, or lunar phase.

• 交こう流りゅう回かい路ろでは、電でん圧あつと電でん流りゅうの位い相そうがずれることがある。

  In an AC circuit, the voltage and current can be out of phase.

• 月つきの位い相そうは約やく29.5日にち周しゅう期きで

noun

topology

Mathematics term for the study of properties preserved under continuous deformations.

• 位い相そう幾き何か学がくでは、図ず形けいのつながり方かたや穴あなの数かずなどを扱あつかう。

  Topology deals with how shapes are connected and the number of holes they have.

noun

register (linguistics)

Linguistics term for a variety of language used in a particular social setting, such as formal vs. casual speech.

• 言げん語ご学がくでは、場ば面めんに応おうじた言こと葉ば遣づかいの違ちがいを位い相そうと呼よぶ。

  In linguistics, differences in language use depending on the situation are called register.