YTTRIUM

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does yttrium mean? 

• YTTRIUM (noun)
  The noun YTTRIUM has 1 sense:

1. a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

  Familiarity information: YTTRIUM used as a noun is very rare.

 Dictionary entry details 

• YTTRIUM (noun)

Sense 1

Meaning:

A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

Classified under:

Nouns denoting substances

Synonyms:

atomic number 39; Y; yttrium

Hypernyms ("yttrium" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Holonyms ("yttrium" is a substance of...):

fergusonite (a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals)

gadolinite; ytterbite (a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium)

xenotime (a brown-to-yellow mineral that is a phosphate of yttrium in crystalline form)

 Context examples 

When bound to indium In 111 or yttrium Y 90, ibritumomab tiuxetan, targeting the CD20 antigen on B cell surfaces, specifically delivers a potentially cytotoxic dose of radiation to B lymphocytes.

(Ibritumomab tiuxetan, NCI Thesaurus)

It also contains a radioactive substance called yttrium Y 90, which may help kill cancer cells.

(IDEC-Y2B8, NCI Dictionary)

The beads collect in the tumor and the yttrium Y 90 gives off radiation.

(Intra-arterial brachytherapy, NCI Dictionary)

After CC49-streptavidin binds to cancer cells, a radioactive compound called yttrium Y 90 DOTA-biotin will find those cells and kill them.

(CC49-streptavidin, NCI Dictionary)

Also called Y 90 ibritumomab tiuxetan, Y 90 Zevalin, and yttrium Y 90 ibritumomab tiuxetan.

(IDEC-Y2B8, NCI Dictionary)

Tiny beads that hold the radioisotope yttrium Y 90 are injected into the hepatic artery (the main blood vessel that carries blood to the liver).

(Intra-arterial brachytherapy, NCI Dictionary)