The term "time arrow" is correct and can be used in written English.
It refers to the concept of time moving in a single direction, from the past to the present to the future. Example: "The concept of a time arrow has been widely debated among physicists, with some arguing that time may not be linear but rather cyclical."
Ian Rankin When I was a student, a friend gave me the first two volumes of Anthony Powell's A Dance to the Music of Time (Arrow) for my birthday.
Fig. 4 Early life, time arrow.
In this chapter, I illustrate the technology evolution phenomenon by showing that larger flow components (organs) belong on larger vehicles and animals and that the time arrow of the constructal law points toward smaller sizes over time (miniaturization).
For evolutionary trees, the animation would also have the benefit of forcing viewers to scan the tree from the bottom to the branch tips, that is, in the direction of the implicit time arrow and thus along the appropriate evolutionary path leading to the taxon of interest.
The time arrow represents the identified trend, despite several exceptions in the lead cluster Fig. 5 Loadingplots for PC1 and PC2 corresponding to Fig. 4. Figure 4 presents the same trend as previously depicted in Fig. 2, namely of the gradual development from lead white to titanium white via the extensive use of zinc white.
How do we pick up on it when a movie has put time arrow's in reverse?
All embryonic primordial follicles were negative for Umodl1 at this time (arrows, Figure 3h).
Instead, the first BC axon branches and the RFP-labeled plexus became visible in the prospective IPL at approximately the same time (arrows in Figure 1D; Movie S3).
We observed that ARTD10 bodies represent dynamic structures, which tended to fuse over time (arrows in Figure 5B), moved considerable distance (arrowheads in Figure 5B), and formed de novo and also disappeared again (double-head arrows in Figure 5B).
To some, it is a romance-laden "bolt from the blue", a deftly timed arrow from Cupid.
In contrast, highly prominent immunostaining was observed in isolated cells bordering the cancer nests even at short DAB reaction times (arrow heads in Figures 4A and B).
