Halometer

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An instrument for measuring the forms and angles of salts and crystals.
  2. 2
    An instrument for determining the size of blood cells by measuring the angular diameter of diffraction of light passing through the blood.

    "When a small source of light is viewed through a thin blood film on a glass slide, a circular coloured pattern, or halo, is seen. The angular diameter of this halo is inversely proportional to the diameter of the blood cell and it is this which the halometer measures."

Synonyms

All synonyms
goniometergoniometer

Example

More examples

"When a small source of light is viewed through a thin blood film on a glass slide, a circular coloured pattern, or halo, is seen. The angular diameter of this halo is inversely proportional to the diameter of the blood cell and it is this which the halometer measures."

Etymology

From halo- + -meter.

More for "halometer"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.