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singing voice the range of which is lower than the soprano by the interval of a fifth. More generally, the term refers to the register in which this voice sings, i.e., the second highest part in a four-part musical texture, and to instruments utilizing this register. See countertenorcountertenor,
a male singing voice in the alto range. Singing in this range requires either a special vocal technique called falsetto, or a high extension of the tenor range.
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(graphic arts)
The negative which is electrodeposited during the preparation of plates for printing currency.


1. the highest adult male voice; countertenor
2. (in choral singing) a shortened form of contralto
3. a singer with such a voice
4. another name for viola
5. a flute, saxophone, etc., that is the third or fourth highest instrument in its group
6. denoting a flute, saxophone, etc., that is the third or fourth highest instrument in its group


(1) See Alto Mail.

(2) The desktop computer from Xerox that pioneered the mouse/icon/desktop environment. Developed at the Palo Alto Research Center (PARC), it was the progenitor of Xerox's Star and Apple's Lisa and Mac. Designed in 1973 with built-in Ethernet, it had 128K of RAM, a 608x808 screen and a 2.5MB removable hard disk. About 1,000 Altos were in use by 1979. See PARC.

Alto Computer
The first graphical user interface created for business purposes was working more than 10 years before the Macintosh was introduced. (Image courtesy of Palo Alto Research Center.)
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Los Altos (4-1), ranked third in the Southern Section Southwest Division, marched to St.
Ennis commented, "I was attracted to Altos because of their leadership IP characterization technology and their stellar worldwide customer base that includes many of the top twenty semiconductor companies.
Jim McCanny, Altos CEO and founder said, "We created the Pal O' Altos program to enable our partners to leverage our Liberate(tm) and Variety(tm) ultra-fast characterization solutions as a key component of their solution.
They managed to reach the Los Altos 7-yard line and capped the time-consuming drive on Witter's sweep around the right side with 1:19 left to take a 21-14 lead.
Willey, CEO of Altos Solutions, "McKesson Specialty's focus on the oncology market and acquisition of National Oncology Alliance provides tremendous access to oncology practices nationwide and is the perfect vehicle for launching OncoEMR to the oncology market.
Billeo represents a unique opportunity for credit card issuers to increase the use of their cards for paying bills online," said Altos Ventures General Partner Ho Nam.
Palo Alto Mayor Judy Kleinberg hosted other South Bay mayors and officials here today in launching the Clean Bay Campaign.
Middle School: Pineapples Under the Sea, Castilleja Middle School in Palo Alto
Rambus's Stockholder Meeting will take place at the Westin Palo Alto Hotel, 675 El Camino Real, Palo Alto, CA 94301.
Hohn of Lodi (79-80-77) and Michael Jensen of Los Altos (80-79-77) all shot 236 to tie for third.
Talarian and SmartSockets are trademarks of Talarian Corporation, Los Altos, Calif.