THULIUM

thulium, Tm, atomic number

(noun) a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime

Source: WordNet® 3.1


Etymology

Noun

thulium (uncountable)

A metallic chemical element (symbol Tm) with atomic number 69: a fairly soft, easily workable metal with a bright silvery-gray lustre.

Source: Wiktionary


Thu"li*um, n. Etym: [NL. See Thule.] (Chem.)

Definition: A rare metallic element of uncertain properties and identity, said to have been found in the mineral gadolinite.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

24 December 2024

INTUITIVELY

(adverb) in an intuitive manner; “inventors seem to have chosen intuitively a combination of explosive and aggressive sounds as warning signals to be used on automobiles”


coffee icon

Coffee Trivia

According to Guinness World Records, the largest coffee press is 230 cm (7 ft 6 in) in height and 72 cm (2 ft 4 in) in diameter and was created by Salzillo Tea and Coffee (Spain) in Murcia, Spain, in February 2007. The cafetière consists of a stainless steel container, a filtering piston, and a superior lid.

coffee icon