Words beginning with A
The letter A
1,741 videos · Page 7 of 59accumulation
The act of amassing or gathering, as into a pile.
accuracy
The state of being accurate; being free from error; exactness; correctness
accurate
Telling the truth or giving a true result; exact; not defective or faulty.
accurately
In an accurate manner; exactly; precisely; without error or defect.
accusation
The act of accusing.
acedia
Spiritual or mental sloth and the feeling it provokes; apathy or indifference; a lack of care or interest and the resultant avoidanc…
acequia
An irrigation ditch, chiefly with reference to Mexico or the southwestern US.
acer
A plant of the genus Acer; a maple.
acerbic
Tasting sour or bitter.
acerola
Any tree of species Malpighia glabra, of the West Indies and northern South America.
acetabulum
The bony cup of the hip bone which receives the head of the femur.
acetaldehyde
A colourless organic compound, CH₃CHO, occurring widely in nature and being produced on a large scale in industry.
acetaminophen
A white crystalline compound used in medicine as an anodyne to relieve pain and reduce fever.
acetylcholine
A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃…
acetylcholine
A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH₃COOCH₂CH₂N⁺(CH₃)₃…
acetylene
Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
acevedo
A surname from Portuguese
achaemenid
Of or relating to the dynasty which ruled the Persian empire c. 550–330 BCE (the Achaemenid Empire), founded by Achaemenes.
achaia
Alternative form of Achaea.
achalasia
Such obstruction in the esophagus: esophageal achalasia.
Achbor
Hear this word or name in the American Pronunciation Guide video.
ache
To suffer pain; to be the source of, or be in, pain, especially continued dull pain; to be distressed.
achebe
A surname from Igbo.
achieve
To carry out or conclude (something, as a task) successfully; to accomplish.
achilles
A mythical semidivine hero, the son of Peleus by the nereid Thetis, and prince of the Myrmidons, who features in the Iliad as a cent…
Achilles Tendon
The strong tendon formed of the united tendons of the large muscles in the calf of the leg, and inserted into the bone of the heel.
achiote
A tropical American evergreen shrub, Bixa orellana; the lipstick tree.
Achish
Hear this word or name in the American Pronunciation Guide video.
achondroplasia
A genetic disorder, the most common form of short limb dwarfism.
achromatic
Free from color; transmitting light without color-related distortion.