Word #651 01010001010

eyebrow — BIP39 word #651

"eyebrow" is word #651 of the 2048 words in the official BIP39 English wordlist, between eye and fabric. In a seed phrase it stands for the 11-bit value 01010001010, decimal index 650.

/ˈaɪbraʊ/ · noun: the line of hair growing above each eye

Russian: бровь

Binary Representation

Four 1-bits and seven 0-bits; 330 of the 2048 indexes have exactly four 1-bits.

One wrong bit turns it into (leftmost bit first):

spend bacon image donor flock fetch fashion expect fade extra fabric

Position

#651 of 2048

Hex Index

0x28A

4-Letter Prefix

eyeb

About "eyebrow" in BIP39

"eyebrow" has 7 letters, but the first four, "eyeb", already identify it, because "eye" also begins eye.
Its first letters also spell another BIP39 word, eye. Write "eyebrow" out in full: cut short, it turns into a different valid word.
"eyebrow" appears in one of the 24 official English test vectors of BIP39: vector #18 (word 2 of 24). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.

Official test vector #18

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