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symbol for the element darmstadtiumdarmstadtium,
artificially produced radioactive chemical element; symbol Ds; at. no. 110; mass number of most stable isotope 281; m.p., b.p., sp. gr., and valence unknown. Situated in Group 10 of the periodic table, it is expected to have properties similar to those of platinum.
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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

drop siding, novelty siding, rustic siding

drop siding
An exterior wall cladding of wooden boards (or strips of other material such as aluminum or vinyl), which are tongued and grooved or rabbeted and overlapped so that the lower edge of each board interlocks with a groove in the board immediately below it.


On drawings, abbr. for downspout.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


(1) See Nintendo DS.

(2) (Digital Signal) A classification of digital circuits. The DS technically refers to the rate and format of the signal, while the T designation refers to the equipment providing the signals. In practice, "DS" and "T" are used synonymously; for example, DS1 and T1, DS3 and T3. See OC.

NORTH AMERICA, JAPAN, KOREA, ETC.VoiceService  Channels     Speed

 DS0         1          64 Kbps
 DS1        24       1.544 Mbps  (T1)
 DS1C       48       3.152 Mbps  (T1C)
 DS2        96       6.312 Mbps  (T2)
 DS3       672      44.736 Mbps  (T3)
 DS4      4032     274.176 Mbps  (T4)

 EUROPE (ITU)Voice        SpeedService  Channels    (Mbps)

 E1         30         2.048
 E2        120         8.448
 E3        480        34.368
 E4       1920       139.264
 E5       7680       565.148

 SONET CIRCUITSOptical  Electrical    SpeedChannel  Channel      (Mbps)

 OC-1      STS-1        51.84
 OC-3      STS-3       155.52
 OC-3c     STS-3c      155.52
 OC-12     STS-12      622.08
 OC-12c    STS-12c     622.08
 OC-48     STS-48     2488.32
 OC-192    STS-192    9953.28
 OC-768    STS-768   39813.12

 OC  = Optical Carrier
 STS = Synchronous Transport Signal
   c = concatenated
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
And the best thing about the DS4 is that you get all that performance with the bonus of a more spacious interior than the MINI and a sensible sized boot.
But while the smaller DS3 was conceived as a straight rival to BMW''s Mini, the C4-derived DS4 has no obvious direct competitors as it combines its coupe looks with a five-door practicality and the raised driving position of a SUV.
The DS4 is a five-door hatch that looks like a coupe, thanks in part, to cleverly designed rear door handles which are built into the rear window frames to disguise them so the car looks like a two-door.
I don't know whether I would agree with that, but the DS4 is certainly a stylish motor and a giant step up from the company's rather mundane C4 on which it is based.
"The DS4 is the second vehicle of the DS line introduced by CitroEaA1/2n, and we look forward to continuing to work with PSA as it expands and re-invents its product lines."
THE Citroen DS4 was a desirable sporty five-door hatchback that proudly claimed not to conform to any established market segment.
A DS4 is very different from Citroen's simply-styled C4 family hatchback upon which this design is based, a car which is 60mm shorter and 40mm taller and manufactured in the same French Mulhouse factory.
THE DS4 offers a stylish twist on the family hatch theme and in improved THP 165 guise, it offers a tempting alternative to the more pragmatic diesel-engined versions.
But astonishingly, by some kind of Gallic Black Magic, that's exactly what's being served up here in the DS4. But I'm getting ahead of myself.
Auto Business News-September 1, 2015--Citroen to launch facelift DS4 in UK