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REFERENCE

seeing

conj. · n. · adj.
US //ˈsiɪŋ// UK //sˈiːɪŋ// see·ing
  1. 1 because or since (conj.)
    B1 Intermediate

    you use this to give a reason for something, especially when you have just noticed a fact.

    used as a subordinating conjunction to introduce a statement that explains or justifies a following action or decision.

    Example

    Seeing it's such a nice day, why don't we walk to the park?

    Example

    Seeing that the primary witness has failed to appear, the judge has little choice but to grant a further adjournment.

    Usage

    Often followed by 'that', though 'that' is frequently omitted in speech.

    Pitfall
    Seeing that it's raining, so we should stay.
    Seeing that it's raining, we should stay.

    Do not use 'so' after 'seeing that'; the first clause already establishes the reason.

  2. 2 the act of looking (n.)
    B2 Upper Intermediate

    the act of looking at or noticing something with your eyes.

    the process or instance of visual perception.

    Example

    For many people, seeing is believing.

    Example

    The sudden seeing of the mountain peak through the clouds provided the hikers with a much-needed boost in morale.

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  1. 3 astronomical clarity (n.)
    C2 Proficiency Technical Science

    how clear and steady an image looks through a telescope, depending on the air.

    the quality of the observing conditions as affected by the turbulence of the Earth's atmosphere.

    Example

    The seeing was poor tonight because of the high winds and heat.

    Example

    Astronomers prefer high-altitude observatories where the seeing is consistently stable, allowing for high-resolution imaging of distant galaxies.

    Usage

    Usually uncountable in this technical context.

  2. 4 having sight (adj.)
    B2 Upper Intermediate

    having the ability to see; not blind.

    possessing the faculty of vision; often used in compound phrases.

    Example

    The charity provides seeing eye dogs for people who have lost their vision.

    Example

    The exhibition was designed to be accessible to both seeing and non-seeing visitors through the use of tactile displays.

Etymology 1

From see + -ing.

Etymology 2

Probably an elision of "seeing that" or "seeing as".

Word family
Idioms2 entries

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