iridium

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iridium

 (Ir) [ĭ-rid´e-um, i-rid´e-um]
a chemical element, atomic number 77, atomic weight 192.2. (See Appendix 6.)

i·rid·i·um (Ir),

(ī-rid'ē-ăm),
A white, silvery metallic element, atomic no. 77, atomic wt. 192.22; 192Ir is a radioisotope (half-life of 73.83 days) that has been used in the interstitial treatment of certain tumors.
[L. iris, rainbow]

iridium

/irid·i·um/ (Ir) (ĭ-rid´e-um) chemical element, at. no. 77.
iridium Ir 192  an artificial radioactive isotope with a half-life of 75 days, used in radiotherapy.

iridium (Ir)

[irid′ē·əm]
Etymology: Gk, iris, rainbow
a silvery-bluish metallic element. Its atomic number is 77; its atomic mass is 192.22.

ir·id·i·um

(Ir) (ī-rid'ē-ŭm)
A white, silvery metallic element, atomic no. 77, atomic wt. 192.22; 192Ir is a radioisotope that has been used in the interstitial treatment of some tumors.
[L. iris, rainbow]

ir·id·i·um

(Ir) (ī-rid'ē-ŭm)
A white, silvery metallic element. 192Ir is a radioisotope that has been used in the interstitial treatment of tumors.
[L. iris, rainbow]

iridium

a chemical element, atomic number 77, atomic weight 192.2, symbol Ir. See Table 6.
References in periodicals archive ?
Wireless technologies allow companies and businesses to exploit the Internet to improve the bottom line efficiently and usefully, Sajna Hebert says.
Wireless technologies are helping to bridge the telecommunications gap in remote northern communities where fibre optic infrastructure is not in place, Sajna Hebert says.

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