thermal column

in nuclear chemistry
https://doi.org/10.1351/goldbook.T06297
A large body of @M03961@, adjacent to or inside a @N04239@ to provide @T06307@ for experiments.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1553 [Terms] [Paper]