Object

• hand: He dismissed me with a wave of his callused hand.

• formation: This dry skin is also more prone to callus formation under areas of pressure ( Knowles et al. , 1997 ).

Converse of object

• prevent: Foam Hand Grips Make mounting and dismounting more comfortable, and help prevent calluses and slippery hands when performing chin-ups.

• form: The tree responds with growing a protective callus formed of cork.

• call: The most common cause of discomfort under the ball of the foot is a build-up of hard skin ( called callus ) and/or corns.

• develop: The foot may develop callus over sites that are taking extra pressure, eg from ill fitting footwear.

Adjective modifier

• sharp: The sharp callus of the mature fruit can become entangled in the wool of sheep ( Watt & Breyer-Brandwijk 1962 ).

• thick: When not too thick callus protects the skin from further damage.

Modifies a noun

• formation: In the past, school tissue culture methods have relied on callus formation using carrot or cauliflower.

• tissue: The first reaction is the formation of callus tissue which protects the wound.

Preposition: of

• fruit: The sharp callus of the mature fruit can become entangled in the wool of sheep ( Watt & Breyer-Brandwijk 1962 ).