IMMEDIATELY DANGEROUS TO LIFE AND HEALTH (IDLH)

Meaning of IMMEDIATELY DANGEROUS TO LIFE AND HEALTH (IDLH) in English

The maximum level to which a healthy individual can be exposed to a chemical for 30 minutes and escape without suffering irreversible health effects or impairing symptoms. Used as a "level of concern." (See: level of concern .)

Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012

HEALTH — I Extent of continuing physical, emotional, mental, and social ability to cope with one's environment. Good health is harder to …
Английский словарь Британика
LIFE
Webster's New International English Dictionary
IMMEDIATELY — I. pronunc at immediate +lē or li; or ÷-mēdə̇t- adverb Etymology: Middle English immediatly, from Late Latin immediatus + Middle …
Webster's New International English Dictionary
HEALTH — I. ˈhelth also -ltth noun ( -s ) Etymology: Middle English helthe, from Old English hǣlth, from hāl whole, healthy …
Webster's New International English Dictionary
DANGEROUS — ˈdānj(ə)rəs adjective Etymology: Middle English daungerous haughty, trouble-making, hard to please, from Old French dangereus trouble-making, hard to please, from …
Webster's New International English Dictionary
IMMEDIATELY — (adv.) In an immediate manner; without intervention of any other person or thing; proximately; directly; -- opposed to mediately; as, …
Английский словарь Webster
IMMEDIATELY — ( adv. ) In an immediate manner; without intervention of any other person or thing; proximately; directly; -- opposed to …
Webster's Revised Unabridged English Dictionary
LIFE — /luyf/ , n. , pl. lives /luyvz/ , adj. n. 1. the condition that distinguishes organisms from inorganic objects and …
Random House Webster's Unabridged English Dictionary
IMMEDIATELY — /i mee"dee it lee/ , adv. 1. without lapse of time; without delay; instantly; at once: Please telephone him immediately. …
Random House Webster's Unabridged English Dictionary
HEALTH — — healthward , adj. , adv. /helth/ , n. 1. the general condition of the body or mind with reference …
Random House Webster's Unabridged English Dictionary
DANGEROUS — — dangerously , adv. — dangerousness , n. /dayn"jeuhr euhs, daynj"reuhs/ , adj. 1. full of danger or risk; causing …
Random House Webster's Unabridged English Dictionary
IMMEDIATELY — I. i-ˈmē-dē-ət-lē also -ˈmē-dit-, Britain often -ˈmē-jit- adverb Date: 15th century 1. : in direct connection or relation : directly …
Merriam-Webster's Collegiate English vocabulary
HEALTH — ˈheltth noun Usage: often attributive Etymology: Middle English helthe, from Old English hǣlth, from hāl Date: before 12th century 1. …
Merriam-Webster's Collegiate English vocabulary
DANGEROUS — adjective Date: 15th century 1. : exposing to or involving danger a dangerous job 2. : able or likely to …
Merriam-Webster's Collegiate English vocabulary
IMMEDIATELY — adv as soon as. ·cf. directly, 8, note. 2. immediately ·adv without interval of time; without delay; promptly; instantly; at …
Webster English vocab
DANGEROUS — adj reserved; not affable. 2. dangerous ·adj hard to suit; difficult to please. 3. dangerous ·adj causing danger; ready to …
Webster English vocab
IMMEDIATELY — [im.me.di.ate.ly] adv (15c) 1: in direct connection or relation: directly "the parties ~ involved in the case" "the house ~ …
Merriam-Webster English vocab
DANGEROUS — [dan.ger.ous] adj (15c) 1: exposing to or involving danger 2: able or likely to inflict injury or harm -- dan.ger.ous.ly …
Merriam-Webster English vocab
LIFE
Britannica English vocabulary
HEALTH — in human beings, the extent of an individual's continuing physical, emotional, mental, and social ability to cope with his environment. …
Britannica English vocabulary
HEALTH — health BrE AmE helθ ▶ ˈ health care BrE AmE ▶ ˈ health ˌ centre BrE AmE ▶ ˈ health …
Longman Pronunciation English Dictionary
DANGEROUS — dangerous BrE AmE ˈdeɪn d ʒ ə r‿əs ▷ dangerous|ly li
Longman Pronunciation English Dictionary
LIFE
Oxford Advanced Learner's English Dictionary
IMMEDIATELY — / ɪˈmiːdiətli; NAmE / adverb , conjunction ■ adverb 1. without delay SYN at once : She answered almost immediately. …
Oxford Advanced Learner's English Dictionary
HEALTH — / helθ; NAmE / noun [ U ] 1. the condition of a person's body or mind : Exhaust fumes …
Oxford Advanced Learner's English Dictionary
DANGEROUS — / ˈdeɪndʒərəs; NAmE / adjective dangerous (for sb) (to do sth) likely to injure or harm sb, or to damage …
Oxford Advanced Learner's English Dictionary
LIFE
Longman Dictionary of Contemporary English
IMMEDIATELY — I. im ‧ me ‧ di ‧ ate ‧ ly 1 S2 W1 /ɪˈmiːdiətli/ BrE AmE adverb 1 . without …
Longman Dictionary of Contemporary English
HEALTH — health S1 W1 /helθ/ BrE AmE noun [uncountable] [ Word Family: noun : ↑ health , ↑ healthiness ; adverb …
Longman Dictionary of Contemporary English
DANGEROUS — dan ‧ ger ‧ ous S2 W2 /ˈdeɪndʒ ə rəs/ BrE AmE adjective [ Word Family: adjective : ↑ endangered …
Longman Dictionary of Contemporary English
LIFE — n. (pl. lives) 1 the condition which distinguishes active animals and plants from inorganic matter, including the capacity for growth, …
Английский основной разговорный словарь
HEALTH — n. 1 the state of being well in body or mind. 2 a person's mental or physical condition (has poor …
Английский основной разговорный словарь
DANGEROUS — adj. involving or causing danger. øødangerously adv. dangerousness n. [ME f. AF dangerous, daungerous, OF dangereus (as DANGER)]
Английский основной разговорный словарь
LIFE — n. (pl. lives) 1 the condition which distinguishes active animals and plants from inorganic matter, including the capacity for growth, …
Concise Oxford English Dictionary
HEALTH — n. 1 the state of being well in body or mind. 2 a person's mental or physical condition (has poor …
Concise Oxford English Dictionary
DANGEROUS — adj. involving or causing danger. dangerously adv. dangerousness n. [ ME f. AF dangerous, daungerous, OF dangereus (as DANGER) ]
Concise Oxford English Dictionary
LIFE — n. (pl. lives) 1. the condition which distinguishes active animals and plants from inorganic matter, including the capacity for growth, …
Oxford English vocab
HEALTH — n.1 the state of being well in body or mind. 2 a person's mental or physical condition (has poor health). …
Oxford English vocab
DANGEROUS — adj. involving or causing danger. Derivatives: dangerously adv. dangerousness n. Etymology: ME f. AF dangerous, daungerous, OF dangereus (as DANGER)
Oxford English vocab
LIFE
Collins COBUILD Advanced Learner's English Dictionary
IMMEDIATELY — Frequency: The word is one of the 1500 most common words in English. 1. If something happens immediately , it …
Collins COBUILD Advanced Learner's English Dictionary
HEALTH — Frequency: The word is one of the 700 most common words in English. 1. A person’s health is the condition …
Collins COBUILD Advanced Learner's English Dictionary
DANGEROUS — Frequency: The word is one of the 1500 most common words in English. If something is dangerous , it is …
Collins COBUILD Advanced Learner's English Dictionary
IMMEDIATELY — Frequency: The word is one of the 1500 most common words in English. 1. If something happens ~, it happens …
Collins COBUILD - Толковый словарь английского языка для изучающих язык
LIFE
Longman DOCE5 Extras English vocabulary
IMMEDIATELY — adverb COLLOCATIONS FROM OTHER ENTRIES immediately apparent ▪ The difference in quality was immediately apparent . immediately obvious ▪ The …
Longman DOCE5 Extras English vocabulary
HEALTH — noun COLLOCATIONS FROM OTHER ENTRIES a health club (= where you go to do physical exercise ) ▪ The hotel …
Longman DOCE5 Extras English vocabulary
DANGEROUS — adjective COLLOCATIONS FROM OTHER ENTRIES a dangerous creature ▪ dangerous creatures such as tigers a dangerous driver ▪ Some young …
Longman DOCE5 Extras English vocabulary
AND
Longman DOCE5 Extras English vocabulary
LIFE
Cambridge English vocab
IMMEDIATELY — [adverb], conjunctionWe really ought to leave immediately (= without delay).Immediately after/(UK also) Immediately (= As soon as) she'd gone, the …
Cambridge English vocab
HEALTH — [noun] [U] - the condition of the body and the degree to which it is free from illness, or the …
Cambridge English vocab
DANGEROUS — [adjective]I've never played ice hockey - it's far too dangerous.It's dangerous to take more than the recommended dose of tablets.
Cambridge English vocab
HEALTH — n. health insurance health maintenance organization National Health Service National Institutes of Health public health World Health Organization
Britannica Concise Encyclopedia
DANGEROUS — See: A LITTLE KNOWLEDGE IS A DANGEROUS THING.
Slang English vocab
IMMEDIATELY — adv. Function: adverb 1 in direct connection without intermediary FF1C; immediately in front of the viewers FF1E; Synonyms: contiguously, directly …
Collegiate Thesaurus English vocab
DANGEROUS — adj. Function: adjective 1 attended by or involving the possibility of injury, pain, or loss FF1C; a dangerous crossing FF1E; …
Collegiate Thesaurus English vocab
IMMEDIATELY — adverb 1. in direct connection without intermediary immediately in front of the viewers Synonyms: contiguously, directly 2. Synonyms: away 3, …
Collegiate Thesaurus English vocabulary
DANGEROUS — adjective 1. attended by or involving the possibility of injury, pain, or loss a dangerous crossing Synonyms: chancy, ||dangersome, hairy, …
Collegiate Thesaurus English vocabulary
IMMEDIATELY — adv. Immediately is used with these adjectives: ↑ accessible , ↑ adjacent , ↑ alert , ↑ apparent , ↑ …
Oxford Collocations English Dictionary
HEALTH — noun ADJECTIVE ▪ excellent , full , good , perfect ▪ bad , declining , delicate , failing , fragile …
Oxford Collocations English Dictionary
DANGEROUS — adj. VERBS ▪ be , feel , look , prove , seem , sound ▪ become , get ▪ The …
Oxford Collocations English Dictionary
LIFE — See ↑ ALIVE 1,3, ↑ LIFE 1,2, ↑ STORY 5 ◆◆◆ • ↑ adult life • ↑ all your life …
Longman Activator English vocab
LIFE — INDEX: 1. the time when someone is alive 2. the kind of life that someone has 3. continuing for all …
Longman Activator English vocab

Environmental Engineering English vocabulary

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