An Etymological Dictionary of Astronomy and Astrophysics

To bring neutrons into → thermal equilibrium with their surroundings; to produce → thermal neutrons.

Etymology (EN): From → thermal + → -ize.

Etymology (PE): Yekgarmâyidan, literally “equal warming,” from yek-,
→ one, + garmâyidan, infinitive from garmâ, → thermo-.