adjectiveπShareEmotionally hardened; unfeeling and indifferent to the suffering/feelings of others."She was so callous that she could criticise a cancer patient for wearing a wig."characterhumanattitudemindemotionmoralChat with AIVocabulary GamePractice Reading
adjectiveπShareHaving calluses."The farmer's hands were callous from years of working in the fields. "bodyappearanceChat with AIVocabulary GamePractice Reading
nounπShareA hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use."After a summer of gardening, she noticed a thick callous forming on her palm from gripping the shovel. "bodymedicinephysiologyanatomywearChat with AIVocabulary GamePractice Reading
nounπShareThe material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece."The doctor explained that the fractured bone's callus was growing stronger each week. "medicineanatomyphysiologybiologybodyChat with AIVocabulary GamePractice Reading
nounπShareThe new formation over the end of a cutting, before it puts out rootlets."The gardener carefully examined the callous on the cutting before planting it. "plantbiologyagricultureChat with AIVocabulary GamePractice Reading
nounπShareA shining area on the frons of many species of Tabanomorpha (horse flies and relatives)."The entomologist used a magnifying glass to examine the callous on the horse fly's head. "anatomyinsectbiologyanimalChat with AIVocabulary GamePractice Reading