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Arsenic or silicon
Answer for the clue "Arsenic or silicon ", 9 letters:
metalloid
Word definitions for metalloid in dictionaries
WordNet
Word definitions in WordNet
adj. of or being a nonmetallic element that has some of the properties of metal; "arsenic is a metalloid element"
Wikipedia
Word definitions in Wikipedia
A metalloid is any chemical element which has properties in between those of metals and nonmetals , or that has a mixture of them. There is neither a standard definition of a metalloid nor complete agreement on the elements appropriately classified as such. ...
Wiktionary
Word definitions in Wiktionary
a. (cx informal English) Characteristic of the metal music genre. n. 1 (context chemistry English) An element, such as silicon or germanium, intermediate in properties between that of a metal and a nonmetal; especially one that exhibits the external characteristics ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Metalloid \Met"al*loid\, n. [L. metallum metal + -oid: cf. F. m['e]tallo["i]de.] Formerly, the metallic base of a fixed alkali, or alkaline earth; -- applied by Sir Humphrey Davy to sodium, potassium, and some other metallic substances whose metallic ...
Usage examples of metalloid.
Guardians, in ways to make his mind, his will harder than any metalloid, sharper than any blade or ray.
Instead, they slept on curious metalloid sheets, suspended between stout metal rods.
This I afterwards ascertained beyond doubt to be a metalloid alloy whereof the principal ingredient was aluminium, or some substance so closely resembling it as not to be distinguishable from it by simple chemical tests.
Wynne Murry presented the metalloid cylinder that snapped open at a flick of the thumb.
The graceful arches and red-velvet pillars were replaced by metalloid assembly lines and by emotionless robots that regulated the constant flow of weaponry.
They waited in shadow until a unit robot had passed, then entered a squat copper-colored utility structure built over a complex cross-hatching of wide metalloid struts.
Small, explosive rounds for the weapons were hidden inside the metalloid carrying strap of the case.
The tiger was one of the last to go, but finally they got him into his cage, and dropped the transparent metalloid door in front of him.
And so, very carefully, Alex had collected over the past several cycles twelve metalloid spikes.
The trivalent metalloid boron in the three composite bullets contained less metal than a tooth filling.
Influence of Metalloids, Heat Treatment, Special Steels, Microstructure, Testing, and Specifications.