What is is the difference between contract and extend?

Answer 1

contract-decrease in size, number, or range.

"glass contracts as it cools"

synonyms:shrink, get smaller, decrease, diminish, reduce, dwindle, decline "the market for such goods began to contract"extend-cause to cover a larger area; make longer or wider."the Forest Service plans to extend a gravel road nearly a mile"synonyms:expand, enlarge, increase, make larger, make bigger; Morelengthen, widen, broaden "he attempted to extend his dominions"widen, expand, broaden; augment, supplement, increase, add to, enhance, develop "we have extended our range of services"antonyms:reduce, shrink, narrowcause to last longer."high schools may consider extending the class day to seven periods"synonyms:continue, carry on, run on, stretch (out), reach, lead More"the garden extends down to the road"prolong, lengthen, increase; stretch out, protract, spin out, string out "extending the life of the charter"prolonged, protracted, long-lasting, long-drawn-out, spun out, long, dragged out, strung out, lengthy; informalmarathon "an extended legal battle"antonyms:shortenpostpone (a starting or ending time) beyond the original limit."he extended the deadline to 4 p.m. today"straighten or spread out (the body or a limb) at full length."she is unable to extend her thumb"synonyms:stretch out, spread out, reach out, straighten out "extend your arms and legs"spread from a central point to cover a wider area."the pipeline currently extends 1,200 miles from Santa Barbara"synonyms:continue, carry on, run on, stretch (out), reach, lead "the garden extends down to the road"occupy a specified area or stretch to a specified point."the mountains extend over the western end of the island"include within one's scope; be applicable to."her generosity did not extend to all adults"synonyms:include, take in, incorporate, encompass "her tolerance did not always extend to her staff"2. hold (something) out toward someone."I nod and extend my hand"