増ぞう成せい

noun

expansion; build-up; hyperplasia

Medical term for abnormal increase in the number of normal cells in a tissue or organ. Often used in compound terms like 前立腺増成 (prostatic hyperplasia).

• 前ぜん立りつ腺せん増ぞう成せいは高こう齢れい男だん性せいによく見みられる。

  Prostatic hyperplasia is common in elderly men.

noun

Aufbau principle

Chemistry term referring to the Aufbau principle, which describes the order in which electrons fill atomic orbitals. Rarely used outside academic contexts.

• 増ぞう成せい原げん理りは電でん子し配はい置ちを理り解かいする上うえで重じゅう要ようだ。

  The Aufbau principle is important for understanding electron configuration.