Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “metalloid”


noun [C]     /ˈmet.əl.ɔɪd/ US  /ˈmet̬-/ specialized
a chemical element with some of the properties of a metal and some of a non-metal, for example silicon and arsenic Chemical elements
(Definition of metalloid noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of metalloid

Definitions of “metalloid” in other dictionaries

Translations of “metalloid”

Word of the Day


to mix eggs with a little milk and mix again as they are being fried

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More