[f. THERMO- + -GRAM: cf. next.] = next, 2.

1

1883.  R. H. Scott, Elem. Meteorol., 38. The thermograms, as such curves are called, are measured every hour.

2

1901.  Nature, 28 March, 522/2. During each winter the Vienna thermograms show some anomalous jumps of temperature, amounting to 3° to 5° C.

3