簇

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(bound form) to cluster; to pile up; cluster; pile; classifier for bunches, clusters, piles etc

Sound it out + =

Formation & memory

Break the character into parts you already know.

Phono-semantic compound (形声字)

⺮ meaning “bamboo” + 族 sound ( zú )

Components ⺮族

cluster · Heisig RSH #2261

竹 bamboo + 族 tribe

Keyword method from Heisig's Remembering Simplified Hanzi.

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

Word	Pinyin	Meaning
高维代数簇	gāo wéi dài shù cù	(math.) higher dimensional algebraic variety
抗原决定簇	kàng yuán jué dìng cù	(immunology) antigenic determinant; epitope
代数簇	dài shù cù	algebraic variety (math.)
花团锦簇	huā tuán jǐn cù	brightly colored decorations (idiom); splendid
花簇	huā cù	bunch of flowers; bouquet
簇新	cù xīn	brand-new; spanking new
簇茎石竹	cù jīng shí zhú	boreal carnation or northern pink; Dianthus repens (botany)
簇射	cù shè	shower (radiation, particle, etc)
簇拥	cù yōng	to crowd around; to escort
攒簇	cuán cù	to gather closely together

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

Character	Pinyin	Meaning
族 sound part	zú	race, nationality, ethnicity; tribe, clan
镞	zú	arrowhead, barb; quick, swift
蔟	cù	nest; silkworm frame; to collect