volatility
nounThe quality of changing quickly and unexpectedly.
nounA measure of how much the price of something like a stock might go up or down.
nounThe tendency of a liquid to turn into a gas quickly.
Syllables
5 syllables
Letters
Phonics breakdown
Phonics Rule: Letter V
The letter V makes the /v/ sound, like in 'van', 'vet', and 'vine'. Upper teeth touch the lower lip with voice.
V is a voiced labiodental fricative — the upper front teeth rest on the lower lip while air and voice flow through. It is the voiced partner of F. English words rarely end in V; they usually add an E (have, live, give).
Tip
V is for van — /v/ vibrates your lips!
Examples
Phonics Rule: Short O
The letter O makes a short sound, like in 'hot' and 'dog'.
When the letter O appears in a closed syllable, it usually makes the short O sound /ɑ/. In American English, this sounds like 'ah'.
Tip
O says /ɑ/ like 'Ahh!' said the doctor.
Examples
Phonics Rule: Letter L
The letter L makes the /l/ sound, like in 'lamp', 'leg', and 'lip'. The tongue tip touches behind the upper teeth.
L is a voiced lateral approximant — the tongue tip touches the ridge behind the upper teeth while air flows around the sides. Double L (ll) makes the same /l/ sound.
Tip
L is for lamp — light it up with /l/!
Examples
Phonics Rule: Schwa
In unstressed syllables, vowels often make a lazy 'uh' sound called schwa, like the A in 'about'.
Schwa /ə/ is the most common vowel sound in English. Any vowel letter can make the schwa sound when it's in an unstressed syllable. It sounds like a quick, lazy 'uh'.
Tip
Schwa is lazy — any vowel can say 'uh' when it's not stressed!
Examples
Phonics Rule: Letter T
The letter T makes the /t/ sound, like in 'top', 'tap', and 'ten'. The tongue tip taps behind the upper teeth.
T is a voiceless alveolar stop. The tongue tip touches the ridge behind the upper teeth and releases with a puff of air. Double T (tt) makes the same /t/ sound.
Tip
T taps — touch your tongue to make /t/!
Examples
Phonics Rule: Short I
The letter I makes a short sound, like in 'sit' and 'big'.
When the letter I appears in a closed syllable, it usually makes the short I sound /ɪ/. This is one of the trickiest short vowels because it sounds similar to short E.
Tip
I says /ɪ/ like an itch you can't miss.
Examples
Phonics Rule: Letter L
The letter L makes the /l/ sound, like in 'lamp', 'leg', and 'lip'. The tongue tip touches behind the upper teeth.
L is a voiced lateral approximant — the tongue tip touches the ridge behind the upper teeth while air flows around the sides. Double L (ll) makes the same /l/ sound.
Tip
L is for lamp — light it up with /l/!
Examples
Phonics Rule: Schwa
In unstressed syllables, vowels often make a lazy 'uh' sound called schwa, like the A in 'about'.
Schwa /ə/ is the most common vowel sound in English. Any vowel letter can make the schwa sound when it's in an unstressed syllable. It sounds like a quick, lazy 'uh'.
Tip
Schwa is lazy — any vowel can say 'uh' when it's not stressed!
Examples
Phonics Rule: Letter T
The letter T makes the /t/ sound, like in 'top', 'tap', and 'ten'. The tongue tip taps behind the upper teeth.
T is a voiceless alveolar stop. The tongue tip touches the ridge behind the upper teeth and releases with a puff of air. Double T (tt) makes the same /t/ sound.
Tip
T taps — touch your tongue to make /t/!
Examples
Phonics Rule: Y as Long E
When Y is at the end of a longer word, it says long E, like in 'happy' and 'funny'.
When Y appears at the end of a multi-syllable word, it makes the long E sound /iː/. Very common in adjectives (happy, funny, silly) and nouns (baby, candy).
Tip
Y at the end of a long word says EEE — happy, funny, baby!
Examples
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