anhydrous

American  

[an-hahy-druhs] / ænˈhaɪ drəs /

adjective

Chemistry.

1. with all water removed, especially water of crystallization.

---

anhydrous British  

/ ænˈhaɪdrəs /

adjective

1. containing no water, esp no water of crystallization

---

anhydrous Scientific  

/ ăn-hī′drəs /

1. Not containing water, especially water of crystallization.

---

Etymology

Origin of anhydrous

1810–20; < Greek ánȳdros waterless (with etymological h restored). See an- ¹, hydro- ¹, -ous

Example Sentences

According to the American Chemical Society, anhydrous ammonia is carried around the United States by pipeline, trucks and trains.

From Seattle Times

Saturday because of the leak of anhydrous ammonia from an overhead refrigeration line, Harris County Emergency Services District 48 Fire Chief George McAteer said.

From Seattle Times

The railroad says it also carries fertilizers, including phosphate, urea, ammonium sulfate, ammonium nitrate and anhydrous ammonia.

From Seattle Times

Rather than using signature Russian nerve agents such as Novichok, it might resort to using anhydrous ammonia or chlorine — two substances that are readily available in an industrial country such as Ukraine.

From Washington Post

The price of anhydrous ammonia, which is used to provide nitrogen to optimize corn plant growth, is up more than 300% from last year.

From Seattle Times