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[as-truh l] /ˈæs trəl/
pertaining to or proceeding from the stars; stellar; star-shaped.
Biology. pertaining to, consisting of, or resembling an aster; having a discoid, radiate flower head.
Theosophy. noting a supersensible substance pervading all space and forming the substance of a second body (astral body) belonging to each individual. It accompanies the individual through life, is able to leave the human body at will, and survives the individual after death.
Origin of astral
1595-1605; (< Middle French) < Late Latin astrālis, equivalent to Latin ast(rum) star (< Greek ástron) + -ālis -al1
Related forms
astrally, adverb
interastral, adjective
nonastral, adjective
subastral, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for astral
Contemporary Examples
Historical Examples
  • He is in the astral now, thought Jones, who said: "She will have a much prettier one."

    The Paliser case Edgar Saltus
  • We shall see the part played by it in the astral colors, as we proceed.

    The Human Aura Swami Panchadasi
  • We shall see the part played by it in the astral colors as we proceed.

    The Human Aura Swami Panchadasi
  • There are many unpleasant, as well as pleasant, sights on the astral Plane.

    The Human Aura Swami Panchadasi
  • Suppose it's all the work of an 'astral' who can't abide the light?

    The Shadow World

    Hamlin Garland
British Dictionary definitions for astral


relating to, proceeding from, consisting of, or resembling the stars: an astral body
(biology) of or relating to the aster occurring in dividing cells
(theosophy) denoting or relating to a supposed supersensible substance believed to form the material of a second body for each person, taking the form of an aura discernible to certain gifted individuals
Derived Forms
astrally, adverb
Word Origin
C17: from Late Latin astrālis, from Latin astrum star, from Greek astron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for astral

"pertaining to the stars," c.1600, from Late Latin astralis, from Latin astrum "star," from Greek astron (see astro-). Meaning "pertaining to supersensible substances" is from 1690s, popularized late 19c. in Theosophy.

Online Etymology Dictionary, © 2010 Douglas Harper
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astral in Medicine

astral as·tral (ās'trəl)

  1. Of, relating to, emanating from, or resembling the stars.

  2. Of, relating to, or shaped like the mitotic aster; having the shape of an astrosphere; star-shaped.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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astral in Science
Relating to or coming from the stars; stellar.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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