noun:

• Hangul (Korean script) - obscure term ➜ ハングル

noun:

• country bumpkin - archaism - derogatory term
• John Doe; used to refer to someone whose name is unknown

noun:

• small, shallow dish - female language - obscure term ➜ 手塩皿

noun:

• preimplantation death - obscure term

noun:

• tanuki (Nyctereutes procyonoides); raccoon dog - obscure term ➜ 狸【たぬき】

noun:

• blister beetle - obscure term ➜ 土斑猫
• cantharides ➜ カンタリス

noun:

• Spanish fly (Lytta vesicatoria) - obscure term ➜ スパニッシュフライ

noun:

• grizzly bear (Ursus arctos horribilis) - obscure term ➜ 灰色熊
• brown bear (Ursus arctos) ➜ 羆

noun:

• dung beetle - obscure term ➜ 糞転がし

noun:

• bighorn sheep (Ovis canadensis) - obscure term ➜ ビッグホーン

noun:

• minke whale; piked whale (Balaenoptera acutorostrata) - obscure term ➜ ミンク鯨

noun:

• larger whales of family Delphinidae (esp. the pilot whale or blackfish) - sometimes read ごんどうくじら - obscure term ➜ 巨頭鯨

noun / ~の noun:

• monogamy - obscure term ➜ 一夫一妻

noun:

• polygamy - obscure term ➜ 複婚

noun:

• polyandry - obscure term ➜ 一妻多夫

noun:

• bathroom; washroom; lavatory - obscure term - From English "toilet room" ➜ トイレ

noun:

• monkey brain (eaten as a delicacy, medicine, etc.) - obscure term

noun:

• Piltdown man (manufactured fossil of a fraudulent ape-human missing link, Eoanthropus dawsoni) - obscure term - From Latin "Eoanthropus" ➜ ピルトダウン人

noun:

• Piltdown hoax (1912 discovery of a fossilized ape-human missing-link skull, later revealed to be fraudulent) - obscure term ➜ ピルトダウン人

noun:

• subject (of a portrait or bust); a person posing for a portrait or bust - obscure term
• (historically) patron; someone who commissions a Buddhist temple or work of art

noun:

• periodic law - obscure term ➜ 周期表

noun:

• periodic table of the elements - obscure term ➜ 周期表

noun:

• helper cell; helper T cell - obscure term ➜ ヘルパーＴ細胞

noun:

• the Annunciation - obscure term ➜ 受胎告知

noun:

• alkyne - obscure term ➜ アルキン