2-aminoethanol - meaning and definition. What is 2-aminoethanol
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What (who) is 2-aminoethanol - definition

CHEMICAL COMPOUND
Monoethanolamine; 2-Aminoethanol; 2-aminoethanol; Ethanolamine oleate; Ethanolamines; 2-amino-l-ethanol; Olamine; UN 2491; Β-aminoethanol; Β-aminoethyl alcohol; Β-hydroxyethylamine; Ethanolamine Oleate; Ethamolin; Monolate; Moramin; Neosclerol; Oldamin; Varex; Varicetin; Colamine; Ethylolamine; 2-Hydroxyethylamine; Aminoethyl alcohol; 2-Aminoethan-1-ol; 2-aminoethan-1-ol
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2-2-2-2         
  • Greater Britain]]''
  • LNWR ''John Hick'' Class, engine <br> No. 1535 ''[[Henry Maudslay]]''
LOCOMOTIVE WHEEL ARRANGEMENT
2-(2-2)-2; 2-2-2-2T
Under the Whyte notation for the classification of steam locomotives, 2-2-2-2 could represent either the wheel arrangement of two leading wheels, four powered but uncoupled driving wheels, and two trailing wheels; or of two independent leading axles (not in a bogie truck), two driving wheels, and two trailing wheels.
2-2-2-0         
LOCOMOTIVE WHEEL ARRANGEMENT
2-(2-2)-0
Under the Whyte notation for the classification of steam locomotives, 2-2-2-0 usually represents the wheel arrangement of two leading wheels on one axle, four powered but uncoupled driving wheels on two axles, and no trailing wheels, but can also be used to represent two sets of leading wheels (not in a bogie truck) two driving wheels, and no trailing wheels. Some authorities place brackets around the duplicated but uncoupled wheels, creating a notation 2-(2-2)-0, or (2-2)-2-0,Baxter, pp.
Matthew 2:2         
VERSE OF THE BIBLE
Mt. 2:2
Matthew 2:2 is the second verse of the second chapter of the Gospel of Matthew in the New Testament. The magi travelling from the east have arrived at the court of King Herod in Jerusalem and in this verse inform him of their purpose.

Wikipedia

Ethanolamine

Ethanolamine (2-aminoethanol, monoethanolamine, ETA, or MEA) is an organic chemical compound with the formula HOCH
2
CH
2
NH
2
or C
2
H
7
NO
. The molecule is bifunctional, containing both a primary amine and a primary alcohol. Ethanolamine is a colorless, viscous liquid with an odor reminiscent of ammonia. ETA molecules are a component in the formation of cellular membranes and are thus a molecular building block for life. It was thought to exist only on Earth and on certain asteroids, but in 2021 evidence was found that ETA molecules exist in interstellar space.

Derivatives of ethanolamine are widespread in nature; e.g., lipids, as precursor of a variety of N-acylethanolamines (NAEs), that modulate several animal and plant physiological processes such as seed germination, plant–pathogen interactions, chloroplast development and flowering, as well as precursor, combined with arachidonic acid C
20
H
32
O
2
20:4, ω-6), to form the endocannabinoid anandamide (AEA: C
22
H
37
NO
2
; 20:4, ω-6).

The ethanolamines comprise a group of amino alcohols. A class of antihistamines is identified as ethanolamines, which includes carbinoxamine, clemastine, dimenhydrinate, chlorphenoxamine, diphenhydramine and doxylamine.