submillimeter

adj, noun — 2 senses

submillimeter

adj

Etymology * sub- + millimeter

1

Sciences Less than a millimeter in size.

Derived terms
submillimeter galaxy, submillimeter wave radiation

submillimeter

noun

Etymology * sub- + millimeter

1

Sciences A unit or measurement that is less than a millimeter.

  • The sizes vary from four to five millimeters, or with laminar resolution functional magnetic resonance imaging (lfMRI), to submillimeters.2022, Fouad Sabry, Brain Reading:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.