This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A substance, usually a peptide or steroid, produced by one tissue and conveyed by the bloodstream to another to effect physiological activity, such as growth or metabolism.

n. A synthetic compound that acts like a hormone in the body.

n. Any of various similar substances found in plants and insects that regulate development.

n. Any substance produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.

n. A synthetic compound with the same activity.

n. Any similar substance in plants.

n. A chemical substance formed in one organ and carried in the circulation to another organ on which it exerts a specific effect on cells at a distance from the producing cells.

n. a chemical substance, whether natural or synthetic, that functions like a hormone in a living organism. .

n. A substance that controls growth rate or differentiation in plants; also called phytohormone. The most well-known are the auxins that stimulate growth at the growing tips of plants, and control root formation and the dropping of leaves; and the gibberellins, which are used in agriculture to promote plant growth.

n. the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect

"Doctors previously used the term hormone-replacement therapy (HRT), which carried the connotation that menopausal women were missing something essential."

secretion   

phytohormone   

thyrotropin-releasing hormone    corticotrophin    sex hormone    relaxin    hypothalamic releasing hormone    thyrotrophic hormone    gastrointestinal hormone    antidiuretic hormone    thyrotropic hormone    releasing hormone   

hormone therapy    hormonal   

insulin    estrogen    vitamin    testosterone    enzyme    steroid    thyroid    secretion    protein    gland