Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.


relative position, rank, or concentration.
l's of care the six divisions of the health care system: preventive care, primary care, secondary or acute care, tertiary care, restorative care, and continuing care.
background level the usual intensity of a chemical or other stimulus in the environment.
confidence level the probability that a confidence interval does not contain the population parameter.
l's of consciousness see levels of consciousness.
lowest observed adverse effect level (LOAEL) (lowest observed effect level (LOEL)) in studies of the toxicity of chemicals, the lowest dosage level at which chronic exposure to the substance shows adverse effects; usually calculated for laboratory animals.
no observed adverse effect level (NOAEL) (no observed effect level (NOEL)) in studies of the toxicity of chemicals, the highest dosage level at which chronic exposure to the substance shows no adverse effects; usually calculated for laboratory animals.
level of significance a statistical measure that serves as the cutoff point used to determine whether a null hypothesis is retained or rejected; the probability of incorrectly rejecting the null hypothesis (see Type I error).
sterility assurance level (SAL) the probability that a process makes something sterile (see sterilization). An SAL of 10−6 is the recommended probability of survival for organisms on a sterilized device. This level means that there is less than or equal to one chance in a million that an item remains contaminated or nonsterile.


1. A compound formed by the interaction of an acid and a base, the ionizable hydrogen atoms of the acid are replaced by the positive ion of the base.
2. Sodium chloride, the prototypical salt. Synonym(s): table salt
3. A saline cathartic, especially magnesium sulfate, sodium sulfate, or Rochelle salt; often denoted by the plural, salts.
Synonym(s): sal
[L. sal]


abbreviation for sterility assurance level.


Abbreviation for salt.


[L.] salt.
References in periodicals archive ?
Roland Laudico-'I like making pan de sal crostinis and topping them with spicy sardine mousse or adobo liver pate.
Tambien conocida como sal comun, es el condimento mas habitual en las mesas.
However, 45 mg/kg of Sal provided the protection of TH-positive neurons in the higher concentration which compared with 15 mg/kg of Sal.
HCAECs were treated with 1–10 [micro]mol/L Sal B for 24 h, and then stimulated with 100 ng/ml TNF-a for 10 min (for JNK and ERK1/2), 30 min (for p-I?
By comparing the phenolic acids of the treated RSM with that of the original RSM, the contents of Sal B and lithospermic acid obviously decreased; while the contents of Sal A, danshensu, protocatechualdehyde, and salvianolic acid D (Sal D) significantly increased in the treated RSM.
Los autores agradecen el apoyo de los miembros y consultores cientificos del Grupo Regional de Expertos de la OPS/OMS sobre prevencion de enfermedades cardiovasculares mediante la reduccion de la sal alimentaria, en particular a James Hospedales de la OPS, por su apoyo a las iniciativas para reducir la sal alimentaria en la Region de las Americas.
Galaxy's Managing Director, Iggy Tan, said while the Company's upmost priority is to ramp up its Jiangsu Lithium Carbonate Plant in China to deliver positive cash flows, the background work for the development of Sal de Vida is also important.
Sal Oppenheim, which is a unit of Deutsche Bank (ETR:DBK), suffered a sizeable loss in 2010.
My article aims to explore the ways in which Sal Paradise and Dean Moriarty are influenced by such practices, and to examine the extent to which, through their construction of simulated images, they reproduce the dominant discourses of the society that spawned them.
Sal was president of ABN when its chairman, Ed Weitzen, first explored holograms.
Sal Buscema: Comics' Fast & Furious Artist Jim Amash with Eric Nolen-Weathington TwoMorrows Publishing 10407 Bedfordtown Dr.