appreciation: They have a stronger appreciation of the importance of economic incentives.
knowl|edge|able /nɒ l I dʒəb ə l/ ADJ Someone who is knowledgeable has or shows a clear understanding of many different facts about the world or about a particular subject. □ We employ friendly and knowledgeable staff. ● knowl|edge|ably ADV [ADV after v] □ Kaspar had spoken knowledgeably about the state of agriculture in Europe.
known /noʊ n/
1 Known is the past participle of know .
2 ADJ [ADJ n] You use known to describe someone or something that is clearly recognized by or familiar to all people or to a particular group of people. □ …He was a known drug dealer. □ He became one of the best known actors of his day.
3 ADJ If someone or something is known for a particular achievement or feature, they are familiar to many people because of that achievement or feature. □ [+ for ] He is better known for his film and TV work.
4 PHRASE If you let it be known that something is the case, or you let something be known , you make sure that people know it or can find out about it. □ The Prime Minister has let it be known that he is against it.
knuck|le /nʌ k ə l/ (knuckles , knuckling , knuckled )
1 N‑COUNT [usu pl, oft poss N ] Your knuckles are the rounded pieces of bone that form lumps on your hands where your fingers join your hands, and where your fingers bend. □ Brenda's knuckles were white as she gripped the arms of the chair.
2 a rap on the knuckles → see rap
▸ knuckle down PHRASAL VERB If someone knuckles down , they begin to work or study very hard, especially after a period when they have done very little work. [INFORMAL ] □ [V P ] The only thing to do was knuckle down and get on with some serious hard work. □ [V P + to ] He managed to knuckle down to his lessons long enough to pass his examination.
▸ knuckle under PHRASAL VERB If you knuckle under , you do what someone else tells you to do or what a situation forces you to do, because you realize that you have no choice. [INFORMAL ] □ [V P ] It is arguable whether the rebels will knuckle under. □ [V P + to ] The United States, he said, did not knuckle under to demands.
knu ckle-duster (knuckle-dusters ) also knuckleduster N‑COUNT A knuckle-duster is a piece of metal that is designed to be worn on the back of a person's hand as a weapon, so that if they hit someone they will hurt them badly. [mainly BRIT ] in AM, use brass knuckles
KO /ke I oʊ / (KO's ) N‑COUNT KO is an abbreviation for knockout . □ 34 of his wins were KO's.
koa|la /koʊɑː lə/ (koalas ) N‑COUNT A koala or a koala bear is an Australian animal which looks like a small bear with grey fur and lives in trees.
kohl /koʊ l/ N‑UNCOUNT Kohl is a cosmetic used to make a dark line along the edges of someone's eyelids.
kohl|ra|bi /koʊlrɑː bi/ (kohlrabi ) N‑VAR Kohlrabi is a green vegetable that has a round ball of leaves like a cabbage. It has a thick stem that you boil in water before eating.
kook /kuː k/ (kooks ) N‑COUNT You can refer to someone who you think is slightly strange or eccentric as a kook . [mainly AM , INFORMAL ]
kooky /kuː ki/ ADJ Someone who is kooky is slightly strange or eccentric, but often in a way which makes you like them. [INFORMAL ] □ It's slightly kooky, but I love it. □ She's been mocked for her kooky ways.
Ko|ran /kɔːrɑː n/ N‑PROPER The Koran is the sacred book on which the religion of Islam is based.
Ko|ran|ic /kɔːræ n I k/ ADJ [ADJ n] Koranic is used to describe something which belongs or relates to the Koran. □ …Koranic schools.
Ko|rean /kɔːriː ən/ (Koreans )
1 ADJ Korean means belonging or relating to North or South Korea, or to their people, language, or culture.
2 N‑COUNT A Korean is a North or South Korean citizen, or a person of North or South Korean origin.
3 N‑UNCOUNT Korean is the language spoken by people who live in North and South Korea.
ko|sher /koʊ ʃə r /
1 ADJ Something, especially food, that is kosher is approved of or allowed by the laws of Judaism. □ …a kosher butcher.
2 ADJ Something that is kosher is generally approved of or considered to be correct. [INFORMAL ] □ Acting was not a kosher trade for an upper-class girl.
kow|tow /kaʊ taʊ / (kowtows , kowtowing , kowtowed ) also kow-tow VERB If you say that someone kowtows to someone else, you are criticizing them because they are too eager to obey or be polite to someone in authority. [INFORMAL , DISAPPROVAL ] □ [V + to ] See how stupidly they kow-tow to persons higher in the hierarchy. [Also V ]
kph /ke I piː e I tʃ/ kph is written after a number to indicate the speed of something such as a vehicle. kph is an abbreviation for 'kilometres per hour'.
Krem|lin /kre ml I n/ N‑PROPER The Kremlin is the building in Moscow where Russian government business takes place. □ …a two hour meeting in the Kremlin. ● N‑PROPER The Kremlin is also used to refer to the central government of Russia and of the former Soviet Union. □ The Kremlin is still insisting on a diplomatic solution to the crisis.
kryp|ton /kr I ptɒn/ N‑UNCOUNT Krypton is an element that is found in the air in the form of a gas. It is used in fluorescent lights and lasers.
ku|dos /kjuː dɒs, [AM ] kuː doʊz/ N‑UNCOUNT Kudos is admiration or recognition that someone or something gets as a result of a particular action or achievement. □ [+ for ] …a new hotel chain that has won kudos for the way it treats guests.