Word #17 00000010000
acoustic — BIP39 word #17
"acoustic" is word #17 of the 2048 words in the official BIP39 English wordlist, between acid and acquire.
In a seed phrase it stands for the 11-bit value
00000010000,
decimal index 16.
/əˈkuːstɪk/ · adjective: relating to sound, or played without electric amplification
Russian: акустический
Binary Representation
A single 1-bit: 16 is a power of two, like the indexes of ability, able, above, absurd, advice, amount, avoid, cactus, divorce and length.
One wrong bit turns it into (leftmost bit first):
Position
#17 of 2048
Hex Index
0x010
4-Letter Prefix
acou
About "acoustic" in BIP39
- "acoustic" has 8 letters, but the first three, "aco", already identify it, because "ac" also begins 13 other words, among them access, accident, account and accuse. Three letters are enough for only 604 of the 2048 words.
- "acoustic" appears in three of the 24 official English test vectors of BIP39: vectors #3 (word 7 of 12), #7 (words 7 and 15 of 18) and #11 (words 7, 15 and 23 of 24). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.
letter advice cage absurd amount doctor acoustic avoid letter advice cage above