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Definition of "ductless" [duct•less]

  • Having no duct (adjective) : Text is available under the Creative Commons Attribution-ShareAlike License

Use "ductless" in a sentence
  • "They have no ducts from which to secrete their hormones and are sometimes referred to as the ductless 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."
  • "With the lymphatics may be classified, for convenience, a number of organs called ductless or blood glands."