Pertaining to, or compounded of, chlorine and hydrogen gas; as, hydrochloric acid; chlorhydric.

Composed of chlorine and hydrogen.

Consisting of hydrogen and chlorine.

18. To a fresh sample of soil add some hydrochloric acid. – Lessons on Soil by E. J. Russell

Once the food is in the stomach, it is mixed with hydrochloric acid, secreted by the stomach itself, and pepsin, an enzyme. – How and When to Be Your Own Doctor by Dr. Isabelle A. Moser with Steve Solomon

One dram of caustic potash or of hydrochloric acid may be given daily in the drinking water. – Special Report on Diseases of Cattle by U.S. Department of Agriculture J.R. Mohler

The boiling should be very gentle in the early stage of the reaction, as considerable hydrochloric acid vapor is evolved. – Organic-Syntheses by Conant, James Bryant

The chemist puts together a volume of hydrogen gas and a volume of chlorine gas, and the result is two volumes of hydrochloric acid gas. – An Introduction to Philosophy by George Stuart Fullerton

10 Hydrochloric acid, 8 oz. – Ontario Teachers' Manuals: Nature Study by Ontario Ministry of Education

If you add a few drops of hydrochloric acid, the melting will go on much faster; and if you warm up the tube to about the heat of the body, it will proceed faster still. – A Handbook of Health by Woods Hutchinson

The reaction is distinctly acid, normally due to free hydrochloric acid. – A Practical Physiology by Albert F. Blaisdell

The colour is determined, not entirely by the age of the stain, but is influenced by the presence or absence of impurities in the air, such as the vapours of sulphurous, sulphuric, and hydrochloric acids. – Aids to Forensic Medicine and Toxicology by W. G. Aitchison Robertson

The alchemists called this volatile liquid, which they obtained from wine, " spirits of wine," just as they called hydrochloric acid " spirits of salt," and as we, to this day, call refined turpentine " spirits of turpentine." – Critiques and Addresses by Thomas Henry Huxley

In a world where chlorine predominated, we might expect to find hydrochloric acid, and all the fecund family of chlorides, playing an important part in the phenomena of life. – Astronomy for Amateurs by Camille Flammarion

Therefore the color test was tried with the ester mixture prepared in one of the early experiments by boiling the original plant material with hydrochloric acid and alcohol. – Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron) by William Anderson Syme

If too much alkali is added towards the end of the neutralization, a brown color appears, but the addition of a little hydrochloric acid will destroy this color. – Organic-Syntheses by Conant, James Bryant

With hydrochloric acid, so strongly recommended by some, I have never had any success. – The Book-Hunter at Home by P. B. M. Allan

3. Concentrated hydrochloric acid as bought. – The Dyeing of Woollen Fabrics by Franklin Beech