Based on the words "temper" or "tempered", this domain has a wide number of possible applications.
Temperex has eight letters and three syllables. Examples of three popular syllable names include Toshiba, Grammarly and Sainsbury's.
Temperex.com is a .com domain. Dot com domains are the most popular, and the most valuable. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.