tono-, ton-, -tonia, -tonic, -tonous, -tony

(Greek > Latin: sound, tone; that which is stretched, a stretching, a straining, a pitch of the voice, a musical note)

aerotonometer (s) (noun), aerotonometers (pl)
An instrument for estimating the tension or pressure of a gas; tonometer: The old-fashioned term aerotonometer refers to the apparatus used for measuring gases in blood.

In the present day, the prefix of this word has been deleted in the medical parlance. .

aerotonometry (s) (noun) (no pl)
The theory and process of measuring the partial pressure of gases in blood: In her class, Judy learned about aerotonometry which refers to the procedure of calculating the partial pressure of the gases in the red vital fluid of a person's body.
Music that is played without harmony; lacking harmony; unharmonious.
atonic (adjective), more atonic, most atonic
1. Relating to, caused by, characterized by, or exhibiting lack of muscle tone: Someone who has an atonic body, or a part of the body, has a weakness or reduction in the normal strength or firmness of a tissue or some other part of the body.
2. A description of a syllable or a sound that is not accented or stressed: The syllables of the words Jim was saying did not include any atonic vowels.
barytone, baritone
A male singing voice with a range lower than a tenor and higher than a bass, or a singer with this voice level; deep sounding.
detonate (verb), detonates; detonated; detonating
1. To produce a loud noise by the sudden liberation of gas in connexion with chemical decomposition or combination; to explode with a sudden loud report (as when heated or struck).
2. To cause to explode with a sudden loud report, as a result of the act of a chemical decomposition or combination.
1. The name of that genus or scale of ancient Greek music in which the interval of a tone was used, the tetrachord being divided into two whole tones and a semitone (as in each half of the modern diatonic scale).
2. In modern music, denoting the scale which in any key proceeds by the notes proper to that key without chromatic alteration; hence, applied to melodies and harmonies constructed from such a scale.
An interval containing two whole tones; a major third; especially, the Pythagorean major third in ancient Greek music, consisting of two major tones.
1. To thunder forth; to utter with a loud voice like thunder.
2. To recite in a singing voice; to intone.
3. To utter or pronounce with a particular tone; to give a specified or indicated intonation to.
4. To emit or pronounce with sonant vibration; to "voice".
1. In Church Music. The opening phrase of a plain-song melody, preceding the Reciting-note, and usually sung either by the priest alone, or by one or a few of the choristers; the recitation of this.
2. The action of intoning, or reciting in a singing voice: esp. the musical recitation of psalms, prayers, etc. in a liturgy, usually in monotone.
3. The utterance or production (by the voice, or an instrument, etc.) of musical tones: in reference to manner or style; especially, to exactitude of pitch or relation to the key or harmony.
4. A fixed intonation, consists of instruments; such as, keyboard instruments, in which the pitch of each note is fixed, not variable at the will of the performer.
5. A manner of utterance of the tones of the voice in speaking; modulation of the voice; accent.
Relating to intonation; intonationally, in an intonational manner.
intone, entone
1. The action of intoning; the tone of voice used in intoning.
2. To sing the opening phrase of a plain-song melody at the beginning of a chant, canticle, etc., usually as a solo or semichorus.
3. To utter with a particular tone or intonation.
4. To utter tones, as in singing or speaking; "to make a slow protracted noise".
To utter in musical tones; to sing, chant; spec. To recite in a singing voice (especially, a psalm, prayer, etc. in a liturgy); usually to recite in monotone.
1. A sound, especially a speech sound, that does not rise and fall in pitch, but stays on the same tone all the time.
2. Utterance of successive syllables or words without change of pitch or key.
3. A sequence of sounds; such as, a piece of speech, singing, or music, that stays at exactly the same pitch throughout the recitation.
Lack of variation of vocal tone.