How many scientific instruments start with P?

12 of the 93 scientific instruments in Icillion start with P, for example pH meter, Protractor and Pressure gauge.

What is the longest name among scientific instruments that start with P?

The longest is “Pulse oximeter” and the shortest is “pH meter”.

Science · lists

12 scientific instruments start with P, from “Pedometer” to “Pyrometer”. Every one of them counts as an answer in Icillion.

P is the 2nd most common first letter in this list: 12 of the 93 scientific instruments (13%).
Shortest: “pH meter”. Longest: “Pulse oximeter”.
3 names have more than one word.
1 can be spelled more than one way, and all the spellings count.

How many scientific instruments start with P?: 12 of the 93 scientific instruments in Icillion start with P, for example pH meter, Protractor and Pressure gauge.
What is the longest name among scientific instruments that start with P?: The longest is “Pulse oximeter” and the shortest is “pH meter”.

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Seven prompts a day, twenty seconds each. Obvious answers float on the tip of the iceberg; rare ones sink all the way to the trench.