"Lacus lacrimalis" is a Latin term that refers to a structure in the human eye that produces tears. The spelling of this word is based on the traditional Latin pronunciation system, leading to a rather complex phonetic transcription: /ˈlakus ,lakrɪˈma:lɪs/. In this system, the letter "c" is pronounced like the "k" sound, while the letter "a" is pronounced as "ah". Additionally, the double "l" indicates that the "l" sound should be emphasized, and the "i" is pronounced as "ee". Overall, "lacus lacrimalis" is a prime example of how Latin orthography can influence the spelling of scientific terms in the modern era.
Lacus lacrimalis is a Latin term that translates to "lake of tears" in English. It refers to a small depression or hollow area located on the surface of the Moon. This particular lunar feature has been given the name "lacus lacrimalis" due to its resemblance to a teardrop shape.
The lacus lacrimalis is a relatively smooth area found on the northern hemisphere of the Moon, specifically in the northeastern part of the lunar near side. It is positioned between the larger maria or "seas" known as Mare Crisium and Mare Fecunditatis. The lacus lacrimalis measures approximately 140 kilometers in diameter and is marked by its dark, basaltic plains.
The naming of the lacus lacrimalis is derived from the old belief that the Moon is associated with melancholy and tears. Lacus lacrimalis alludes to the emotional connection humans have attributed to the Moon throughout history. Despite its name, the lacus lacrimalis is a calm, flat area on the Moon's surface, devoid of any significant physiographic features like craters or mountains.
The study and observation of lunar features like the lacus lacrimalis have played a crucial role in advancing our understanding of the Moon's geology, formation, and history. Lunar features are often named to reflect meaningful aspects of human culture, mythology, or emotions, which aids in navigation and identification for astronomers, scientists, and lunar explorers.
Lacrymal lake, the small cistern-like area of the conjunctiva at the inner angle of the eye, in which the tears collect after bathing the anterior surface of the eyeball and the conjunctival sac.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "lacus lacrimalis" is a Latin term that translates to "tear lake" in English.
The etymology of the word can be broken down as follows:
- "Lacus" comes from the Latin word "lacus" meaning "lake".
- "Lacrimalis" is derived from the Latin word "lacrima" which means "tear" and the suffix "-alis" which denotes "related to" or "pertaining to".
In combination, "lacus lacrimalis" refers to the small depression or pocket-like structure located on the inner corner of the eye, which is connected to the tear ducts. It is commonly known as the lacrimal lake or tear lake.