adderとは

発音

• (米国発音) IPA^(key): /ˈædɚ/
• 韻: -ædə(ɹ)

語源 1

From Middle English addere, rebracketing of "a naddere" as "an addere", from 古期英語 nǣdre, nǣddre (“snake, serpent, viper, adder”), from Proto-Germanic *nadrǭ (“snake, viper”) (compare West Frisian njirre, Dutch adder, German Natter, Otter), from pre-Germanic *néh₁treh₂, variant of Proto-Indo-European *n̥h₁trih₂ (compare Welsh neidr, Latin natrīx ‘watersnake’), from *(s)neh₁- (“to spin, twist”) (compare Dutch naaien). More at needle.

名詞

adder (複数形 adders)

1. (obsolete) Any snake.
2. A name loosely applied to various snakes more or less resembling the viper; a viper.
   1. (chiefly Britain) A small venomous serpent of the genus Vipera
      1. The common European adder (Vipera berus).
   2. The puff adders, of Africa (genus Bitis).
   3. (US, Canada) Any of several small nonvenomous snakes resembling adders
      1. Lampropeltis triangulum (milk snake).
      2. Heterodon spp. (hog-nosed snakes), a genus of harmless colubrid snakes found in North America
   4. Certain venomous snakes resembling other adders
      1. Acanthophis spp. (death adders), elapid snakes found in Southeast Asia and Australia
      2. Agkistrodon contortrix mokasen, the northern copperhead, a venomous viper found in the eastern United States
   5. A sea stickleback or adder fish (Spinachia spinachia).

派生語

• adder fish
• puff adder (Bitis arietans)

語源 2

From add +‎ -er.

名詞

adder (複数形 adders)

1. Someone who or something which performs arithmetic addition; a machine for adding numbers.
2. Something which adds or increases.

   They sought out cost adders with an eye toward eliminating them.

派生語

• carry-lookahead adder
• carry-save adder
• carry-skip adder
• full adder
• half adder

Further reading

• adder on Wikipedia.

アナグラム

• dared, dread, radde, re-add, readd