21-letter words containing o, r, s, m
- eastern european time — a standard time used by some countries in Eastern Europe, such as Finland, Romania, etc and also some countries of the Middle East and North Africa
- electroencephalograms — Plural form of electroencephalogram.
- electromagnetic pulse — a surge of electromagnetic radiation, esp one resulting from a nuclear explosion, which can disrupt electronic devices and, occasionally, larger structures and equipment
- electronystagmography — A diagnostic test to record involuntary movements of the eye caused by a condition known as nystagmus. It can also be used to diagnose the cause of vertigo, dizziness or balance dysfunction by testing the vestibular system.
- emotional correctness — pressure on an individual to be seen to feel the same emotion as others
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- environmental studies — a university course studying the environment and related issues
- epidermolysis bullosa — type of genetic skin disorder
- exposure compensation — the act of overriding a camera's automatic exposure in order to achieve a particular effect or due to difficult lighting conditions
- false memory syndrome — a psychological condition in which a person believes that he or she remembers events that have not actually occurred.
- false-memory syndrome — a psychological condition in which a person believes that he or she remembers events that have not actually occurred.
- fermat's last theorem — the unproved theorem that the equation xn + yn = zn has no solution for x, y, z nonzero integers when n is greater than 2.
- ferric sodium oxalate — an emerald-green, crystalline, extremely water-soluble salt, used in photography and blueprinting.
- flip someone the bird — give someone the finger (see phrase under finger)
- for someone's benefit — something that is advantageous or good; an advantage: He explained the benefits of public ownership of the postal system.
- fort lesley j. mcnair — a military reservation in SW Washington, D.C., on the Potomac River, SW of the Capitol.
- framing specification — A specification of the "protocol bits" that surround the "data bits" on a communications channel to allow the data to be "framed" into chunks, like start and stop bits in EIA-232. It allows a receiver to synchronize at points along the data stream.
- franco-belgian system — French system.
- freedom of expression — the unrestrained right to voice ideas, opinions, etc
- frequent wash shampoo — a shampoo whose mildness allows it to be used frequently
- from dan to beersheba — from one end of Israel to the other: Judg. 20:1
- gastrohepatic omentum — lesser omentum.
- gender disappointment — a feeling of depression or anxiety experienced by an expectant parent when the gender of the baby does not match his or her preference
- general of the armies — a special rank held by John J. Pershing, equivalent to general of the army.
- geometric progression — a sequence of terms in which the ratio between any two successive terms is the same, as the progression 1, 3, 9, 27, 81 or 144, 12, 1, 1/12, 1/144.
- get in someone's hair — any of the numerous fine, usually cylindrical, keratinous filaments growing from the skin of humans and animals; a pilus.
- give someone the bird — to tell someone rudely to depart; scoff at; hiss
- go someone one better — of superior quality or excellence: a better coat; a better speech.
- government securities — securities issued by the US Government
- grease someone's palm — the part of the inner surface of the hand that extends from the wrist to the bases of the fingers.
- great smoky mountains — the W part of the Appalachians, in W North Carolina and E Tennessee. Highest peak: Clingman's Dome, 2024 m (6642 ft)
- have a strong stomach — not to be prone to nausea
- have someone's number — a numeral or group of numerals.
- henry steele commager — Henry Steele, 1902–98, U.S. historian, author, and teacher.
- highest common factor — greatest common divisor. Abbreviation: H.C.F.
- homolosine projection — an equal-area projection of the world, distorting ocean areas in order to minimize the distortion of the continents.
- human papilloma virus — a species of virus that causes genital warts. Abbreviation: HPV.
- hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
- ibm customer engineer — (job) (CE) A hardware guy from IBM.
- ieee computer society — (body) The society of the IEEE which publishes the journal "Computer".
- immunoelectrophoresis — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
- imprecise probability — (probability) A probability that is represented as an interval (as opposed to a single number) included in [0,1].
- in good circumstances — (of a person) in a good financial situation
- in more ways than one — You say in more ways than one to indicate that what you have said is intended to have more than one meaning.
- in no uncertain terms — If you say that someone tells a person something in no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.
- in saecula saeculorum — for ever and ever.
- in someone's presence — If you are in someone's presence, you are in the same place as that person, and are close enough to them to be seen or heard.
- in the course of time — eventually
- industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives
- infectious ectromelia — ectromelia (def 2).