Meaning: [keɪ] 
n. 1. the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites 2. a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite 3. the cardinal number that is the product of 10 and 100 4. a unit of information equal to one thousand (1024) bytes 5. the 11th letter of the Roman alphabet 6. street names for ketamine. adj. denoting a quantity consisting of 1,000 items or units.
n. 1. the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites 2. a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite 3. the cardinal number that is the product of 10 and 100 4. a unit of information equal to one thousand (1024) bytes 5. the 11th letter of the Roman alphabet 6. street names for ketamine. adj. denoting a quantity consisting of 1,000 items or units. 
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1. I bought it at the K store.
2. The inspector chalked O.K. on my baggage.
3. J K Rowling's 'Harry Potter' novels are all bestsellers.
4. The boiling point of water is 373 K.
5. The U.K. consists of Great Britain and Northern Ireland.
6. a meeting to promote trade between Taiwan and the U.K.
7. Vitamin K is routinely given in the first week of life to prevent bleeding.
8. O.K. I'll sign off. We'll talk at the beginning of the week.
9. France and U.K. were cosignatories of the agreement.
10. 'King' begins with K / 'K'.
11. "I'd like to be alone, O.K?" — "Sure. O.K.".
12. "Any problems?" — "No, I'm O.K."
13. It's O.K. I smoothed things out.
14. Temperatures on Mercury reach as high as 700 K.
15. The letter K comes before L in the English alphabet.
16. I do not regard the constitution of the U.K. as set in concrete.
17. Fishing is said to be the most popular participatory sport in the U.K.
18. K Branagh and co. have achieved great success in a very short time.
19. Many mini-theories involve the r - K continuum.
20. But there you are,(sentencedict.com/k.html) Mr. K. that's life.
21. K: There is no storage space anywhere.
22. Our classmates tested five bats from K. C. Slammer.
23. That was O.K. Perhaps it was a good omen.
24. K., giving it 2, 150 gas stations.
25. Many U.K. companies maintain large customer databases.
26. Robert K.. Dornan by political newcomer Loretta Sanchez.
27. It never occurred to me that he would become a K.C.
28. The final letter is very vague; possibly an R or a K.
29. Does she spell her name with a C or with a K?
30. Very little was done to progress the case in the first 10 or so months after K was charged.