The ornamental design for a thermochromicthermometer, as shown and described.
FIG. 1 is a front elevational view of a thermometer showing my new design
with a typical temperature readout character activated;
FIG. 2 is a side elevational view thereof, the other side being identical
thereto;
FIG. 3 is a rear elevational view thereof; and
FIG. 4 is a front elevational view of another embodiment of my new design
of FIG. 1 wherein another type of typical temperature readout character
has been substituted for that of FIG. 1; and the rear and side views
thereof are identical to FIGS. 2 and 3.