| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |
|---|---|
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
| FFP | Fresh Frozen Plasma |
| FAR | Federal acquisitions regulation; fractional albumin rate; fresh bone marrow |
| FFP | freedom from progression; fresh frozen plasma |
| FFP | Fresh Frozen Plasma |
|---|---|
| FGF | Fresh gas flows |
| FW | fresh weight |
| Free T | free testosterone |
| Free T4 | free thyroxine |
| Mohs' fresh tissue chemosurgery technique | Chemosurgery in which superficial cancers are excised after fixation in vivo. (05 Mar 2000) |
|---|---|
| fresh | 1. Possessed of original life and vigor; new and strong; unimpaired; sound. 2. New; original; additional. "Fear of fresh mistakes." "A fresh pleasure in every fresh posture of the limbs." (Landor) 3. Lately produced, gathered, or prepared for market; not stale; not dried or preserved; not wilted, faded, or tainted; in good condition; as, fresh vegetables, flowers, eggs, meat, fruit, etc.; recently made or obtained; occurring again; repeated; as, a fresh supply of goods; fresh tea, raisins, etc.; lately come or made public; as, fresh news; recently taken from a well or spring; as, fresh water. 4. Youthful; florid; as, these fresh nymphs. 5. In a raw, green, or untried state; uncultivated; uncultured; unpracticed; as, a fresh hand on a ship. 6. Renewed in vigor, alacrity, or readiness for action; as, fresh for a combat; hence, tending to renew in vigor; rather strong; cool or brisk; as, a fresh wind. 7. Not salt; as, fresh water, in distinction from that which is from the sea, or brackish; fresh meat, in distinction from that which is pickled or salted. Fresh breeze, increased speed. Synonym: Sound, unimpaired, recent, unfaded: ruddy, florid, sweet, good: inexperienced, unpracticed: unused, lively, vigorous, strong. Origin: OE. Fresch, AS. Fersc; akin to D. Versch, G. Frisch, OHG. Frisc, Sw. Frisk, Dan. Frisk, fersk, Icel. Frskr frisky, brisk, ferskr fresh; cf. It. Fresco, OF. Fres, freis, fem. Freske, fresche, F. Frais, fem. Frache, which are of German origin. Cf. Fraischeur, Fresco, Frisk. Source: Websters Dictionary (01 Mar 1998) |
| fresh frozen plasma | The fluid component of blood lacking the cells but containing all the necessary plasma proteins, used to restore the protein clotting factors in some individuals with clotting factor deficiencies. (27 Sep 1997) |
| fresh water | 1. Water containing no significant amounts of salts, such as rivers and lakes. 2. Of, pertaining to, or living in, water not salt; as, fresh-water geological deposits; a fresh water fish; fresh water mussels. 3. Accustomed to sail on fresh water only; unskilled as a seaman; as, a fresh water sailor. 4. Unskilled; raw. Fresh water soldiers. Source: Websters Dictionary (01 Mar 1998) |
| bacteria-free stage of bacterial endocarditis | Endocarditis described prior to the antibiotic era and presumably due to spontaneous healing of the bacterial vegetations. (05 Mar 2000) |
| carbon dioxide-free water | Purified water that has been boiled vigorously for 5 minutes or more. (05 Mar 2000) |
| radical, free | In biochemistry, it is a group of atoms bonded together into an entity that is extremely reactive and shortlived. (a free radical is not a political extremist on parole.) (12 Dec 1998) |
| germ-free animal | An animal which has no microorganisms whatsoever living in or on it. An animal which was born and raised in an isolated environment with no microorganisms in it, such as within a germ-free isolator. (09 Oct 1997) |
| germ-free isolator | A chamber which has absolutely no microorganisms whatsoever living in it, where a germ-free animal can be born and raised. An artificial barrier surrounding a living facility for germ-free animals, which keeps out all microorganisms. (09 Oct 1997) |
| germ-free life | Animals not contaminated by or associated with any foreign organisms. (12 Dec 1998) |
| carrier-free | A substance in which a radioactive or other tagged atom is found in every molecule; the highest possible specific activity. (05 Mar 2000) |
| gibbs free energy | The total amount of energy which is either used up or released during a chemical reaction. Gibbs free energy (delta G) = (delta H) - t (delta s): where (delta H) is the change in enthalpy, calculated by adding up the amount of energy released or used up to break or form chemical bonds during the reaction, t is the temperature at which the reaction took place, and (delta S) is the change in entropy, or amount of disorder, that occurs in the molecules involved during the reaction. (09 Oct 1997) |
| mean free path | <radiobiology> Average distance a particle travels between occurrences of the given event, for example, between collisions. For collisions, the mean free path is roughly equal to unity divided by the product of the collision cross-section times the particle density. (09 Oct 1997) |
| cell-free extract | <cell culture> A liquid that is a mixture of the contents of a particular type of cell, sometimes the organelles are also filtered out of the liquid. (26 Mar 1998) |
| cell-free protein synthesis | <technique> An in vitro method to make proteins, using amino acids, the mRNA corresponding to the protein to be made, and a cell-free extract (the contents of a cell after removal of the cell wall and/or outer cell membranes) for other needed components and enzymes. (26 Mar 1998) |
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