PERIOSTRACUM — 12 letter word
periostracum
The word periostracum has 12 letters: P, E, R, I, O, S, T, R, A, C, U, M. It contains 5 vowels and 7 consonants. It scores 18 points in Scrabble and 22 in Words With Friends. As a noun, it means "the horny outer layer of a mollusc's shell".
12 letter word "periostracum": P E R I O S T R A C U M — noun
Scrabble score: 18 Words With Friends: 22
Letter Analysis of periostracum
| Letter | Count | Type | Scrabble pts |
|---|---|---|---|
| P | 1 | Consonant | 3 |
| E | 1 | Vowel | 1 |
| R | 2 | Consonant | 1 |
| I | 1 | Vowel | 1 |
| O | 1 | Vowel | 1 |
| S | 1 | Consonant | 1 |
| T | 1 | Consonant | 1 |
| A | 1 | Vowel | 1 |
| C | 1 | Consonant | 3 |
| U | 1 | Vowel | 1 |
| M | 1 | Consonant | 3 |
5 vowels, 7 consonants, 11 unique letters
Definition of periostracum
noun
- the horny outer layer of a mollusc's shell