DICTIONARY · CC-CEDICT

錒系元素

简锕系元素 · 繁錒系元素

Mandarin · pinyin ā xì yuán sù

actinoids (rare earth series), namely: actinium Ac89 錒 ā, thorium Th90 釷 tǔ, protoactinium Pa91 鏷 pú, uranium U92 鈾 yóu, neptunium Ne93 鎿 ná, plutonium Pu94 鈈 bù, americium Am95 鎇 méi, curium Cm96 鋦 jú, berkelium Bk97 錇 péi, californium Cf98 鐦 kāi, einsteinium Es99 鎄 āi, fermium Fm100 鐨 fèi, mendelevium Md101 鍆 mén, nobelium No102 鍩 nuò, lawrencium Lr103 鐒 láo

Full entryShow on map

Characters in this entry

錒: Look up this written character
系: xì · system; line, link, connection
元: yuán · first; dollar; origin; head
素: sù · white (silk); plain; vegetarian; formerly; normally
锕: ā · actinium (Ac)

Written characters and their own readings; the entry’s pronunciation is shown above.

Explore the spelling

Mandarin tones

1–4–2–4 · a1 xi4 yuan2 su4

Compare attested words with these syllables ↗

Dictionary tones. Connected speech can change their realization.

Connected dictionary

4character links15source references

Explore word families ↗Compare pronunciations ↗Open character structure ↗

Counts describe dictionary records, not word frequency or semantic similarity. Source identities stay separate.

Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

錒系元素 · find source passages ↗ · 锕系元素 · find source passages ↗

Explore Classical grammar ↗

Compare dictionary sources Wiktionary

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

(chemistry) actinide

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack