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jmdict 1015300 Active (id: 2292377)

アクセラレータアクセラレーターアクセレレーター [rk] アクセレレータ [sk] アクセルレーター [sk] アクセルレータ [sk]
1. [n] {computing}
▶ accelerator (hardware)
2. [n] {physics}
▶ (particle) accelerator
Cross references:
  ⇒ see: 1931040 加速器 1. (particle) accelerator
3. [n] [rare]
▶ accelerator pedal
▶ gas pedal
Cross references:
  ⇒ see: 1015290 アクセル 1. accelerator (pedal); gas pedal



History:
12. A 2024-02-22 21:39:38  Stephen Kraus <...address hidden...>
  Refs:
Sounds like it's technically possible but never really used in practice. Since daijisen has a "加速装置" sense and Marcus found some genuine usages in google books, I can't imagine that anyone will impugn us for keeping the "pedal" meaning as a third sense with a [rare] tag.

Google N-gram Corpus Counts
╭─ーーーーーーーー─┬────────┬───────╮
│ アクセラレータ  │ 32,209 │ 80.8% │
│ アクセラレーター │  6,766 │ 17.0% │
│ アクセレレーター │    324 │  0.8% │
│ アクセレレータ  │    178 │  0.4% │ - add, sk
│ アクセルレーター │    340 │  0.9% │ - add, sk
│ アクセルレータ  │     68 │  0.2% │
╰─ーーーーーーーー─┴────────┴───────╯
  Diff:
@@ -12,0 +13,8 @@
+</r_ele>
+<r_ele>
+<reb>アクセレレータ</reb>
+<re_inf>&sk;</re_inf>
+</r_ele>
+<r_ele>
+<reb>アクセルレーター</reb>
+<re_inf>&sk;</re_inf>
@@ -30,0 +39 @@
+<xref type="see" seq="1015290">アクセル</xref>
11. A* 2024-02-22 09:25:09  Marcus Richert
  Comments:
I would argue that koj and gakkoku say it's from アクセレーター (I included the others not as support for the change, just to give a fair summary). That plus the inclusion in Luminous plus the evidence of usage seems enough to include it. I'm sure we could find much more (old) usage on lab.ndl if we wanted too. I think it's fine.
10. A* 2024-02-21 20:39:46  Stephen Kraus <...address hidden...>
  Refs:
The meaning of the first sense wasn't clear to me. Judging by the kokugos I think it's referring to things like graphics or cryptographic accelerators.
https://en.wikipedia.org/wiki/Hardware_acceleration
https://en.wikipedia.org/wiki/Cryptographic_accelerator

Daijirin displays "アクセレレーター," so probably better to make that [rk] rather than [sk].
  Diff:
@@ -12 +12 @@
-<re_inf>&sk;</re_inf>
+<re_inf>&rk;</re_inf>
@@ -21 +21 @@
-<gloss>accelerator</gloss>
+<gloss>accelerator (hardware)</gloss>
9. A* 2024-02-21 20:27:45  Robin Scott <...address hidden...>
  Refs:
アクセルを踏ん	        41,016		
アクセラレーターをを踏ん	0		
アクセラレータをを踏ん	0	
アクセルペダル	        35,938		
アクセラレーターペダル	0		
アクセラレータペダル	0
アクセレレーターペダル	0		
アクセレレータペダル	0
  Comments:
The kokugos only tell us that アクセル is a shortening of アクセラレーター/accelerator. None of them have an accelerator pedal sense for アクセレレーター.
Looking at the n-grams, I don't think we need an accelerator pedal sense. To say it's "rare" is an understatement.
8. A* 2024-02-21 08:10:07  Marcus Richert <...address hidden...>
  Refs:
koj アクセル
(アクセレレーター(accelerator)

daijr says its 〔アクセレレーター-ペダル(accelerator pedal)の略〕

daijs says 《acceleratorの略》

nikk (英accelerator から)

gakkoku 「アクセラレーター(accelerator)」の略

mk accelerator から。

google books 
1914: ...アクセレレーター」に依て「クラッチ」「ペタル」を放し、
1920: used as rubi for 加速踏板 in ビウィク自動車操縦法
1949: アクセルレーターを踏み
1950: アクセレレーターをふみこんで速度をあげてゆくが
1972: アクセルレーター(加速機,自動車の部品,ふつうアクセルと略される)
1979 ギアをトップに切替え、アクセレレーターを踏みこんでいった。

1988
アクセルレーターを、フロアいっぱいに踏みこみつつ
  Diff:
@@ -27,0 +28,6 @@
+</sense>
+<sense>
+<pos>&n;</pos>
+<misc>&rare;</misc>
+<gloss>accelerator pedal</gloss>
+<gloss>gas pedal</gloss>
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