acra
acra noun: the vascular areas of the body most removed from the heart.
Noun
acra pl (plural only)
- The vascular areas of the body most removed from the heart.
- The principal differential diagnostic considerations in the case of nevi situated at the acra are atypical nevus and melanoma and, occasionally Spitz nevus/tumor.2004 August 1, Raymond L. Barnhill, Michael Piepkorn, Klaus J. Busam, Pathology of Melanocytic Nevi and Malignant Melanoma, Springer Science & Business Media, →ISBN, page 89
- The surface area to volume ratio requires that the surface temperature in the nearly cylinder-shaped body parts should be lower the smaller their radius is. Consequently skin temperatures drop toward the ends of the extremities. A quicker cooling of the acra compared to head or trunk also occurs.2014 July 29, Sandra Ückert, Cold Application in Training & Competition: The Influence of Temperature on Your Athletic Performance, Meyer & Meyer Verlag, →ISBN, page 52
Proper noun capitalized: ACRA
ACRA
- Abbreviation of Accounting and Corporate Regulatory Authority.
Origin of acra
From Ancient Greek ἀ̆κρᾰ (ăkră), probably back-formed from German Akren as this is more easily encountered and even the English is most likely found in books written by Germans.
Questions about acra
- What does acra mean?
- Acra means the vascular areas of the body most removed from the heart.
- What part of speech is acra?
- Acra can be a noun or a proper noun.
Words near acra in the dictionary
Source and license
Adapted from Wiktionary: acra (page history and authors); ACRA (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “acra.” Word.ws, https://word.ws/acra. Based on Wiktionary, CC BY-SA 4.0.