vitreo-, vitre-, vitr- +

1. Any of certain metallic sulfates of glassy appearance: One kind of vitriol is copper sulfate, or blue vitriol.
2. An acid made from sulfur dioxide and very corrosive; mainly utilised in the chemical industry: Two examples of vitriols are ferrous sulfate or green vitriol and zinc sulfate or white vitriol.
3. Abusive or venomous language expressing fierce hate, anger, blame, or deep-seated ill will; subject to bitter verbal abuse. After years and years of living with a husband she didn’t love anymore, Jane expressed all the vitriol, resentment, and hostility that had accumulated in her for so long.
4. Etymology: from Latin vitreus "of glass, glassy", from vitrium, "glass".

Bitter or caustic feelings like the corrosive properties of vitriol.

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1. To convert into, or to change to, a vitriol; that is, to make into sulphuric acid or a sulphate.
2. To subject to the action of, or to impregnate with, vitriol.

Changed into a vitriol or a sulphate, or subjected to the action of sulphuric acid or of a sulphate; as, vitriolated potash, i. e., potassium sulphate.

Turning into sulphuric acid or into vitrol.

1. The act, process, or result of vitriolating.
2. The act or process of converting into sulphuric acid or into vitriol.

1. Characteristic of words which are harsh, caustic or scathing in tone or speaking: Henry hurled vitriolic criticism at the bad performance of his daughter's musical presentation.

Caron's acrid or vitriolic remarks about her co-workers made her many enemies.

2. A reference to a harmful substance: A concentrated and powerful vitriolic acid is capable of destroying or eating away with chemical action.

Sulfuric acid, a highly corrosive vitriolic liquid, was formerly known as "oil of vitriol" or simply "vitriol" because of the glassy appearance of its salts.

3. Etymology: from Latin vitriolum, "sulphuric acid", from vitrum "glass" from vitreus "of glass, glassy appearance." © ALL rights are reserved.

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In a caustic vitriolic manner.

1. To convert into a vitriol; to vitriolate.
2. To injure or to burn (a person) with vitriol, or sulphuric acid, by throwing it on the face.

A glass painter.

1. A kind of glass which is very hard and difficult to fuse.
2. A reference to an insulator in electrical lamps and other apparatus (apparatuses).

An inflammation of the vitreous humor of the eye.

Any porphyritic igneous rock having a pronounced glassy groundmass; glass porphry.

A diascopy or an examination of a skin lesion in which the blood is temporarily excluded from the lesion with a firm pressure on the area of study by using a glass slide or other transparent material.

Excluding the blood from the area facilitates the detection of cellular and other deposits in the dermis (skin).