nobelium

no·bel·i·um  (n-bl-m)

n. Symbol No

A radioactive transuranic element in the actinide series with atomic number 102, artificially produced in trace amounts. Its most long-lived isotopes are No 254 with a half-life of 55 seconds, No 253 with a half-life of 1.7 minutes, No 255 with a half-life of 3.1 minutes, and No 259 with a half-life of 58 minutes. See Table at element.

---

[After Alfred Bernhard Nobel.]

---

nobelium

Noun

Chem a radioactive element produced artificially from curium Symbol: No[after Nobel Institute, Stockholm, where it was discovered]

---

nobelium  (n-bl-m)

Symbol No

A synthetic, radioactive metallic element in the actinide series that is produced by bombarding curium with carbon ions. Its longest-lived isotope is No 255 with a half-life of 3.1 minutes. Atomic number 102. See Periodic Table.

Thesaurus

Noun

1.

nobelium - a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known atomic number 102, No chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter