noun:

• plasmagene - obscure term ➜ 核外遺伝子

noun:

• derived unit (i.e. metre per second, cubic metre, etc.) - obscure term ➜ 組立単位

expression:

• alpha and omega - obscure term

noun:

• you - archaism - vulgar

noun:

• you - archaism - vulgar

noun:

• bear; "valiant person" [figurative] - obscure term

noun or verb acting prenominally:

• foolish; idiotic - colloquialism - vulgar ➜ 下らぬ

noun or verb acting prenominally:

• foolish; idiotic - colloquialism - vulgar ➜ 下らん

godan ~く verb / transitive:

• to enclose; to surround - obscure term

noun:

• Chinese elm (Ulmus parvifolia) - obscure term ➜ 秋楡

noun:

• multiple-choice - obscure term ➜ マルチプルチョイス

noun:

• collecting herbs and pulling out young pine trees by the roots (annual event held on the first Day of the Rat of the New Year) - obscure term ➜ 子の日の遊び

expression / godan ~く verb:

• to pierce something all the way through (with a lance, arrow, etc.) - obscure term

noun:

• tenth month of the lunar calendar - obsolete term - obscure term ➜ 孟冬・神無月

noun:

• end of autumn (fall) - archaism - obscure term

noun:

• end of winter - archaism - obscure term

noun:

• ram (sheep) - obscure term
• used to liken one to someone who lives their life by instinct

noun:

• Hertzsprung-Russel diagram; HR diagram - obscure term ➜ ＨＲ図

noun:

• inferior conjunction - obscure term ➜ 内合

noun:

• superior conjunction - obscure term ➜ 外合

noun:

• ancient Chinese god of the north (or rain, water, etc.) - obscure term

noun:

• subordinate shrine - obscure term ➜ 末社

noun:

• Grand Empress Dowager, the Empress Dowager and the Empress Consort - obscure term ➜ 三后

noun:

• Grand Empress Dowager, the Empress Dowager and the Empress Consort - obscure term ➜ 三后

noun:

• theism (as refers to the existence of a personal Christian god) - obscure term ➜ 有神論