aerospace
nounThe science and industry of building and flying aircraft, rockets, and spacecraft.
nounThe Earth's atmosphere and the space around it.
adjectiveRelating to aircraft, rockets, and spacecraft.
Syllables
3 syllables
Letters
Phonics breakdown
Phonics Rule: Short A
The letter A makes a short sound, like in 'cat' and 'bat'.
When the letter A appears in a closed syllable (a syllable that ends with a consonant), it usually makes the short A sound /æ/. This is one of the first vowel sounds students learn.
Tip
A says /æ/ like a cat that sat on a mat.
Examples
Phonics Rule: R-Controlled ER
When R comes after E, it makes the /ɜːr/ sound, like in 'her' and 'fern'.
ER makes the same sound as IR and UR — they all say /ɜːr/. ER is the most common spelling of this sound, especially at the end of words.
Tip
ER, IR, and UR all sound the same — Bossy R wins again!
Examples
Phonics Rule: Open Syllable O (Long O)
When O is the last letter of a syllable, the syllable is open and the O says its name /oʊ/ — like in 'go' and 'no'.
This is the open-syllable pattern: a syllable that ends in a vowel leaves it 'open', so it says its long name. Here, a lone O at the end of a syllable says /oʊ/ (go, no, so, o-pen). The O also says its long name in the 'old' and 'ost' families (cold, most). The long O sound is also spelled other ways, each its own rule — silent E (home) or vowel teams (oa in boat, ow in snow) — but those are not open syllables.
Tip
Long O says its name — O!
Examples
Phonics Rule: SP Blend
S and P blend together — you hear both sounds! Like in 'spin' and 'sport'.
The blend SP combines /s/ and /p/ spoken quickly together.
Examples
Phonics Rule: Silent E with A (Magic E)
In the a-consonant-e pattern, the E at the end is silent and makes the A say its name — like in 'cake' and 'make'. Teachers often call this the Magic E.
In the pattern a-consonant-e (like 'cake'), the final E is silent but it makes the A say its long sound /eɪ/. This is called the 'magic E' or 'silent E' rule.
Tip
Magic E makes A say its name!
Examples
Phonics Rule: Soft C
C says /s/ before E, I, or Y, like in 'city' and 'face'.
When C comes before the letters E, I, or Y, it makes the soft /s/ sound instead of the hard /k/ sound. This is called 'Soft C'.
Tip
C is soft before E, I, Y — the city is nice!
Examples
Phonics Rule: Silent E with A (Magic E)
In the a-consonant-e pattern, the E at the end is silent and makes the A say its name — like in 'cake' and 'make'. Teachers often call this the Magic E.
In the pattern a-consonant-e (like 'cake'), the final E is silent but it makes the A say its long sound /eɪ/. This is called the 'magic E' or 'silent E' rule.
Tip
Magic E makes A say its name!
Examples
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