域

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field; region; area; domain (taxonomy)

Formation & memory

Break the character into parts you already know.

Phono-semantic compound (形声字)

土 meaning “earth” + 或 sound ( huò )

Components 土或

domain · Heisig RSH #1662

land + 或 or

Keyword method from Heisig's Remembering Simplified Hanzi.

The most common words first — learning a character in context makes it stick.

Word	Pinyin	Meaning
有理数域	yǒu lǐ shù yù	field of rational numbers (math.), usually denoted by Q
长江流域	Cháng jiāng liú yù	Changjiang or Yangtze river basin
行政区域	xíng zhèng qū yù	administrative area
南亚区域合作联盟	Nán Yà Qū yù Hé zuò Lián méng	South Asian Association for Regional Cooperation (SAARC)
代数数域	dài shù shù yù	algebraic number field (math.)
区域网路	qū yù wǎng lù	local area network; LAN
黄河流域	Huáng Hé liú yù	the Yellow River basin
区域性	qū yù xìng	regional
全局作用域	quán jú zuò yòng yù	(computing) global scope
域名服务器	yù míng fú wù qì	domain name server
局部作用域	jú bù zuò yòng yù	(computing) local scope
两河流域	Liǎng hé Liú yù	Mesopotamia
定义域	dìng yì yù	domain (math.)
广域网路	guǎng yù wǎng lù	wide area network; WAN
作用域	zuò yòng yù	(computing) scope
城域网	chéng yù wǎng	metropolitan area network
大唐西域记	Dà Táng Xī yù Jì	Great Tang Records on the Western Regions, travel record of Xuan Zang 玄奘[Xuan2 zang4], com…
陆域风电	lù yù fēng diàn	(Tw) onshore wind power
复数域	fù shù yù	field of complex numbers (math.), usually denoted by C
广域市	guǎng yù shì	metropolitan city, South Korean analog of PRC municipality 直轄市\|直辖市[zhi2 xia2 shi4]

Characters sharing the sound component 或 — compare how they read.

Character	Pinyin	Meaning
或 sound part	huò	or, either, else; maybe, perhaps, possibly
蜮	yù	toad; legendary turtle