Alas

• (interj.) An exclamation expressive of sorrow, pity, or apprehension of evil; -- in old writers, sometimes followed by day or white; alas the day, like alack a day, or alas the white.
Found on http://thinkexist.com/dictionary/meaning/alas/

Alas

[geography] Alas (Алаас) is a shallow depression which occurs primarily in Yakutia, which is formed by subsidence of the Arctic permafrost due to repeated melting and refreezing. An alas first develops as a shallow lake as melt water fills the depression. The lake eventually dries out and is replaced by grasses and other herbaceous veg...
Found on http://en.wikipedia.org/wiki/Alas_(geography)

ALAS

[missile] ALAS (Advanced Light Attack System, АЛАС) is a new Serbian long-range multipurpose guided missile system developed by the private company EdePro which will work under the direction of Yugoimport SDPR. The new system was developed for attacks on tanks, armored fighting vehicles, fortifications, command posts, low-flying helicop...
Found on http://en.wikipedia.org/wiki/ALAS_(missile)

Alas

A·las' interj. [ Middle English alas , allas , Old French alas , French hélas ; a interj. (L. ah .) + las wretched (that I am), Latin lassus weary, akin to English late . See Late .] An exclamation expressive of sorrow, pity, ...
Found on http://www.encyclo.co.uk/webster/A/50

AlAs

Aluminium Arsenide Molar mass: 101.903138
Found on http://www.convertunits.com/molarmass/Aluminium+Arsenide
No exact match found