a short-lived, extremely luminous burst of gamma radiation from an unknown astronomical source, occurring at random positions in the sky several times a day. Abbreviation: GRB
5 Types of Lexical Verbs Bursting Onto the Scene
Lexical verbs are the main verbs (or action words) in a sentence. They can show the subject’s action or express a state of being. They fall into several categories: transitive, intransitive, linking, dynamic, and static. Transitive and Intransitive Verbs A transitive verb expresses action, and needs a direct object to receive that action. “Alice sees the candle,” is an example. Sees is the lexical verb …
Beware the email rumor about “Betelgeuse.” What does “Betelgeuse” mean, anyhow?
Betelgeuse has been in the news again recently. No, not the creepy character played by Michael Keaton in the 1988 Tim Burton movie Beetlejuice . We’re talking about the red supergiant star in the constellation Orion, that Betelgeuse. Apparently, some pseudo-scientific gossip is circulating online claiming that Betelgeuse will explode in 2012, causing damaging neutrino release and gamma radiation. There will be two bright, sun-like …
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
astronomy an intense but short-lived burst of gamma rays from an unknown celestial source. First detected in 1970, they have since been found to be widely distributed in the sky
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012