caustic

It is--but the mention of her name is a caustic to the wounds of her heart.

Sir Rowland flushed under that mocking glance and caustic tone.

It also gives off ammonia, when treated with caustic potash.

The strong bases, like lye and caustic soda, are also called alkalies.

Tonic, irritant, and caustic; dose internally, one to two drachms.

It is a great advantage to have the caustic soda solution hot.

First prepared from indigo by means of caustic potash, found in coal, 1834.

Exsection or a caustic on the scar, even after the appearance of hydrophobia.

This is what Byles Gridley said; but he was apt to be caustic at times.

The modern spook is possessed not only of humor but of a caustic satire as well.