Question: What Does Deleterious Mean?

What does deleterious effect mean?

: harmful often in a subtle or unexpected way deleterious effects deleterious to health..

What does deleterious mean in biology?

Hurtful; noxious; destructive; pernicious; as, a deleterious plant or quality; a deleterious example. Deleteriously, Deleteriousness. Origin: LL. Deleterius noxious, gr, fr.

What is the opposite of deleterious?

deleterious. Antonyms: wholesome, nutritious, esculent, conservative, beneficial. Synonyms: destructive, noxious, injurious, poisonous, pernicious.

What are deleterious mutations?

A harmful, or deleterious, mutation decreases the fitness of the organism. A beneficial, or advantageous mutation increases the fitness of the organism. … A nearly neutral mutation is a mutation that may be slightly deleterious or advantageous, although most nearly neutral mutations are slightly deleterious.

What are the causes of mutations?

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.

What does enervate mean?

Definition of enervate (Entry 2 of 2) transitive verb. 1 : to reduce the mental or moral vigor of. 2 : to lessen the vitality or strength of.

What part of speech is deleterious?

deleteriouspart of speech:adjectiverelated words:evil, ill, injuriousWord CombinationsSubscriber feature About this featurederivations:deleteriously (adv.), deleteriousness (n.)1 more row

What is another word for scholarly?

What is another word for scholarly?eruditelearnedintellectualknowledgeablebookishstudiouscerebralcultureddonnishhighbrow232 more rows

What are the common deleterious materials in aggregate and what are the consequences of impurities in aggregate?

-THEY ARE HARMFUL TO CONCRETE PERFORMANCE. -THESE SUBSTANCE AFFECT OR WEAKENS THE BOND B/W CEMENT & AGGREGATE AND BREAK EASILY THEY MAY BE  SALT  ORGANIC IMPURITIES  CLAY LUMPS &FRIABLE PARTICLES(EASILY CRUMBLED)  COAL ,LIGNITE  LIGHTWEIGHT CHERTS.

What is meant by soundness of aggregate?

The soundness test determines an aggregate’s resistance to disintegration by weathering and, in particular, freeze-thaw cycles. … After a specified number of submerging and drying repetitions, the aggregate is sieved to determine the percent loss of material.

What is another word for deleterious?

Some common synonyms of deleterious are baneful, detrimental, noxious, and pernicious. While all these words mean “exceedingly harmful,” deleterious applies to what has an often unsuspected harmful effect.

What are the 4 types of mutation?

There are three types of DNA Mutations: base substitutions, deletions and insertions.Base Substitutions. Single base substitutions are called point mutations, recall the point mutation Glu —–> Val which causes sickle-cell disease.Deletions. … Insertions.

How do you use deleterious in a sentence?

A few crops, such as mustard, seem deleterious to them. The effects of morphine are much more deleterious than those of opiumsmoking.

What is deleterious material?

Deleterious materials (also known as prohibited materials) are materials that are prohibited for use in a project. This could be for a variety of reasons including: reliability. health and safety. structural stability/performance/physical integrity/life-expectancy of a project.