Verb:

सख़्त हो जाना, सख़्त होना, कड़ा बनाना, कड़ा होना, कड़ा करना, कठोर बनाना,

hardens's Usage Examples:

The fact is that in the case of protectorates over uncivilized or semi-civilized countries a development is inevitable: control quickly hardens into conquest, and international law more and more takes note of this fact.

It is pre-eminently a garden vegetable, the ear being used before the grain hardens, when it is well filled but soft and milky.

- Manganese in many cases, but not in all, opposes the formation of graphite and thus hardens the iron, and it lessens the red shortness (§ 40), which sulphur causes, by leading to the formation of the less harmful manganese sulphide instead of the more harmful iron sulphide.

As the larva approaches maturity these vessels become gorged with a clear viscous fluid, which, upon being exposed to the air immediately hardens to a solid mass.

In those containing water in the rainy season only, the fish preserve life when the bed is dry by burrowing deeply in the ooze before it hardens.

At ordinary temperatures the metal has the consistency of wax and can be readily cut; on cooling it hardens.

The soap is melted by heat, the glycerin is stirred in, and the mixture strained and poured into forms, in which it hardens but slowly into a transparent mass.

chisel when first quarried but exposure to the wind soon hardens it.

If, on the other hand, the alcohol be rubbed into the skin, or if its evaporation be prevented - as by a watch-glass - it absorbs water from the tissues and thus hardens them.

The viscid pulp soon hardens, affording a protection to the seed; in germination the sucker-root penetrates the bark, and a connexion is established with the vascular tissue of the first plant.

Synonyms:

indurate, cure, encrust, calcify, callus, change, incrust,

Antonyms:

depersonalize, discharge, soften, stay, decalcify,