from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. having no duct

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having to duct or outlet.

from The Century Dictionary and Cyclopedia

  • Having no duct: as, a ductless gland.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not having a duct


Sorry, no etymologies found.


  • They have no ducts from which to secrete their hormones and are sometimes referred to as the ductless glands.

    Acupressure and the Endocrine Glands

  • During the eighteen-eighties, above all through the investigations of the Frenchman Brown-Séquard, attention had been directed to the importance for the vital functions of certain ductless gland-like organs.

    Physiology or Medicine 1923 - Presentation Speech

  • With the lymphatics may be classified, for convenience, a number of organs called ductless or blood glands.

    A Practical Physiology

  • There is perhaps no more fascinating story in the history of science than that of the discovery of these so-called ductless glands.

    The Evolution of Modern Medicine

  • The thyroid is one of the so-called ductless glands, like the adrenals above the kidneys, the pineal gland and the pituitary body.

    The War Terror

  • It is a "ductless" gland, its secretions apparently being taken up by absorption into the lymph, and from that into the blood.

    Vitality Supreme

  • He says ductless technology is improving, and while most manufacturers are now Japanese, more U.S. firms will move into the market.

    Houses of 2020 will be all about energy

  • Geothermal heat pumps will be replaced by lower-cost, ductless "mini-split" air-source heat pumps, predicts Wilson.

    Houses of 2020 will be all about energy

  • Washington stateJust over $1 million is available for rebates ranging from $75 to $750 on washing machines, refrigerators, dishwashers, water heaters and ductless air-source heat pumps.

    Appliance rebates: Unclaimed funds give shoppers a second chance

  • As I approached the forbidding edifice that is Tony Conigliaro Consolidated Elementary School, my heart sank from its perch just above the ruffled v-neck of my blouse to a point slightly below my spleen, which is a vascular, ductless organ whose principal functions are the storage of blood and production of lymphocytes.

    The Bodice-Ripper Free School Zone Act


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