21-letter words containing o, d, i, s, t
- to hit the bookstands — (of a book) to be published
- to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.
- to put the wind up sb — If something or someone puts the wind up you, they frighten or worry you.
- to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
- to risk life and limb — If someone risks life and limb, they do something very dangerous that may cause them to die or be seriously injured.
- to rub shoulders with — If you rub shoulders with famous people, you meet them and talk to them. You can also say that you rub elbows with someone, especially in American English.
- to sow your wild oats — If a young person sows their wild oats, they behave in a rather uncontrolled way, especially by having a lot of sexual relationships.
- to stick in your mind — If something sticks in your mind, it remains firmly in your memory.
- trades union congress — The Trades Union Congress in Britain is the same as the TUC.
- universal disk format — (storage, standard) (UDF) A CD-ROM file system standard that is required for DVD ROMs. UDF is the OSTA's replacement for the ISO 9660 file system used on CD-ROMs, but will be mostly used on DVD. DVD multimedia disks use UDF to contain MPEG audio and video streams. To read DVDs you need a DVD drive, the kernel driver for the drive, MPEG video support, and a UDF driver. DVDs containing both UDF filesystems and ISO 9660 filesystems can be read without UDF support. UDF can also be used by CD-R and CD-RW recorders in packet writing mode.
- university of iceland — (body, education) The Home of Fjolnir.
- ventriloquist's dummy — a puppet which is operated by a ventriloquist and made to appear to talk
- vladivostok agreement — a preliminary arms control accord concluded by Soviet leader Leonid Brezhnev and U.S. President Gerald Ford in Vladivostok, U.S.S.R., in December 1974.
- washington's birthday — February 22, formerly observed as a legal holiday in most states of the U.S. in honor of the birth of George Washington.
- wet collodion process — a photographic process, in common use in the mid-19th century, employing a glass photographic plate coated with iodized collodion and dipped in a silver nitrate solution immediately before use.
- white-crowned sparrow — a North American sparrow, Zonotrichia leucophrys, having black and white stripes on the head.
- with one's bare hands — If someone does something with their bare hands, they do it without using any weapons or tools.
- word association test — a technique for determining a subject's associative pattern by providing a verbal stimulus to which a verbal response is required.
- word-association test — a psychological test in which the person being tested responds to a given word with the first word (or the first word in a specified category, such as an antonym) brought to mind
- xeroderma pigmentosum — a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.