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单词 deltoid
释义

deltoid

1 of 2

noun

del·​toid ˈdel-ˌtȯid How to pronounce deltoid (audio)
: a large triangular muscle that covers the shoulder joint and serves to raise the arm laterally

deltoid

2 of 2

adjective

1
: having a triangular shape
a deltoid leaf
see leaf illustration
2
: relating to, associated with, or supplying the deltoid

Did you know?

The fourth letter of the Greek alphabet is delta, and a capital delta is triangle-shaped. In English, delta commonly means the sand deposits that form a huge triangle at the mouth of certain large rivers. Deltoid as an adjective means "having a triangular shape", and botanists often use the word to describe the shape of certain leaves. The triangular, swept-back wings seen on jet fighter aircraft are called delta wings. Your deltoid muscles—not far from your rhomboids—form a cap on your shoulders, and some gym trainers even treat shoulder and deltoid as synonyms. Can you guess the general shape of deltoids when seen from the side?

Example Sentences

Recent Examples on the Web
Noun
The anterior deltoid makes up the front head of the shoulder, and rotates the shoulder joint by drawing the arm inward. Tyler Hatfield, Men's Health, 26 Apr. 2022 Therefore, those receiving a vaccine in the thigh may need to use a longer needle (commonly 1.5 inch, as opposed to a 1 inch needle in the deltoid). Lois K. Solomon, sun-sentinel.com, 6 Dec. 2021 Therefore, those receiving a vaccine in the thigh may need to use a longer needle (commonly 1.5 inch, as opposed to a 1 inch needle in the deltoid). Lois K. Solomon, sun-sentinel.com, 6 Dec. 2021 Therefore, those receiving a vaccine in the thigh may need to use a longer needle (commonly 1.5 inch, as opposed to a 1 inch needle in the deltoid). Lois K. Solomon, sun-sentinel.com, 6 Dec. 2021 Therefore, those receiving a vaccine in the thigh may need to use a longer needle (commonly 1.5 inch, as opposed to a 1 inch needle in the deltoid). Lois K. Solomon, sun-sentinel.com, 6 Dec. 2021 Therefore, those receiving a vaccine in the thigh may need to use a longer needle (commonly 1.5 inch, as opposed to a 1 inch needle in the deltoid). Lois K. Solomon, sun-sentinel.com, 6 Dec. 2021 Therefore, those receiving a vaccine in the thigh may need to use a longer needle (commonly 1.5 inch, as opposed to a 1 inch needle in the deltoid). Lois K. Solomon, sun-sentinel.com, 6 Dec. 2021 Therefore, those receiving a vaccine in the thigh may need to use a longer needle (commonly 1.5 inch, as opposed to a 1 inch needle in the deltoid). Lois K. Solomon, sun-sentinel.com, 6 Dec. 2021
Adjective
In other words, these weight cutoffs are the best indicators of vaccine efficacy at different needle lengths, regardless of how much fatty tissue a person has around their deltoid muscles. Sarah Stark, SELF, 6 June 2022 During the 2½-hour process, originally expected to take 90 minutes, Anderson took out two screws that shredded the posterior tib tendon in McCormick’s ankle and put in tight rope to secure the deltoid ligaments. oregonlive, 10 Sep. 2021 Women also have thicker fat pads in the deltoid muscle—the part of the upper shoulder where the vaccine is injected. Emily Mullin, Smithsonian Magazine, 20 Apr. 2021 Hey, Paul: Williams revealed in December that his shoulder injury involves damage to the axillary nerve, which helps control the deltoid muscles of the shoulder and the skin around it. cleveland, 7 Feb. 2021 Vaccines are generally injected into the deltoid muscle of the arm. WSJ, 15 Jan. 2021 Just before noon, the first needle hit the left deltoid muscle of registered nurse Katie Walz, who works in the cardiovascular intensive care unit at UCMC. From Usa Today Network And Wire Reports, USA TODAY, 16 Dec. 2020 This exercise gets into the deltoid muscles (the large, triangular muscle occupying the upper arm and the shoulder) and will help loosen up the arms as well. Stephanie Mansour, CNN, 15 Dec. 2020 Her pectoralis major and deltoid muscles, for example, had been used to draw a bow across her chest. Fox News, 30 Nov. 2019 See More

Word History

Etymology

Noun

New Latin deltoides, from Greek deltoeidēs shaped like a delta, from delta

First Known Use

Noun

circa 1681, in the meaning defined above

Adjective

circa 1753, in the meaning defined at sense 1

Medical Definition

deltoid 1 of 2

noun

del·​toid ˈdel-ˌtȯid How to pronounce deltoid (audio)
: a large triangular muscle that covers the shoulder joint, serves to raise the arm laterally, arises from the upper anterior part of the outer third of the clavicle and from the acromion and spine of the scapula, and is inserted into the outer side of the middle of the shaft of the humerus

called also deltoid muscle

see deltoid tuberosity

deltoid

2 of 2

adjective

: relating to, associated with, or supplying the deltoid
the deltoid branch of the thoracoacromial artery
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更新时间:2024/11/12 1:46:37