ENGLISH
REFERENCE

candle

n. · v.
US //ˈkændəɫ// UK //kˈændəl// can·dle
  1. 1 wax light source (n.)
    A2 Elementary

    a stick of wax with a string (wick) in the middle that you burn to produce light.

    a light source consisting of a wick embedded in a solid, flammable substance such as wax or paraffin.

    Example

    She lit a scented candle to make the living room feel more relaxing.

    Example

    The power cut forced the family to rely on a few old candles they found in the kitchen drawer.

  2. 2 to check with light (v.)
    C2 Proficiency Technical

    to look through something, like an egg or an envelope, by holding it up to a bright light.

    to examine an object by holding it between the eye and a light source, typically to check for internal defects or contents.

    Example

    The farmer had to candle the eggs to see which ones were developing properly.

    Example

    Security personnel may candle suspicious envelopes to determine if they contain any illicit materials without opening the seal.

    Usage

    This transitive verb is most commonly used in poultry farming or postal security.

Show 1 more senseShow fewer
  1. 3 unit of light (n.)
    C2 Proficiency Archaic Technical Science

    an old way of measuring how bright a light is.

    a former unit of luminous intensity, now largely superseded by the SI unit candela.

    Example

    The old lighthouse used a lamp that was equal to thousands of candles.

    Example

    Early photometric standards relied on the light emitted by a standard candle of specific composition and weight.

    • candlepower
    • candela
Origin

From Middle English candel, from Old English candel (“candle”), borrowed from Latin candēla (“candle”), from Latin candeō (“be white, bright, shining”, verb); see candid. Doublet of candela and chandelle.

Word family
Idioms2 entries

© 2026 English Reference