substitute

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serve as a/(one's) substitute

To take the place or fill the purpose of someone or something else. We created these wood pellets from repurposed sawdust to serve as more a ecologically friendly substitute for other fuel sources. This is Shawna, everyone. She's going to be serving as my substitute while I'm on sabbatical.
See also: serve, substitute

sub for (someone or something)

1. To act as a substitute for someone or something. ("Sub" is an abbreviation of "substitute.") I'm subbing for Eric for the next few days while he recovers in the hospital. Don't believe anyone who tries to convince you that low-fat cooking sprays can sub for real butter or olive oil and not taste any different.
2. To use, employ, or instruct someone or something to act as a substitute for someone or something else. In this usage, a noun or pronoun is used between "sub" and "for." With a healthy 30-point lead, the coach subbed the rookie for the star quarter back to give him some experience on the field. Let's try subbing an AC motor for the DC one we've been using and see if that improves the results.
See also: sub

substitute for (someone or something)

1. To act as a substitute for someone or something. I'm substituting for Eric for the next few days while he recovers in the hospital. Don't believe anyone who tries to convince you that low-fat cooking sprays can substitute for real butter or olive oil and not taste any different.
2. To use, employ, or instruct someone or something to act as a substitute for someone or something else. In this usage, a noun or pronoun is used between "sub" and "for." With a healthy 30-point lead, the coach substituted the rookie for the star quarter back to give him some experience on the field. Let's try substituting an AC motor for the DC one we've been using and see if that improves the results.
See also: substitute

sub for someone or something

to substitute for someone or something. I have to sub for Roger at work this weekend. Will pliers sub for the wrench you wanted?
See also: sub

sub someone for (someone else)

 and sub something for something else
to substitute someone for someone else or something for something else. I will sub Chuck for Roger for this next play only. We will sub the red ones for the blue ones.
See also: sub

substitute for someone or something

to serve as a replacement for someone or something. I have to substitute for Roger at work this weekend. Do you think that this will substitute for the one you wanted?
See also: substitute

substitute someone for (someone else)

 and substitute something for something else
to exchange someone or something for someone or something else; to replace someone or something with someone or something else. Shall I substitute Fred for Mary in the front office? Please substitute fish for beef on my dinner order.
See also: substitute
References in periodicals archive ?
In Brazil, a new rule for drug interchangeability introduced in 2014 (RDC 58/2014) (1) extended substitutability (adopted for generic drugs since 1999) to a novel category of pharmaceutical products, i.e., the so-called "similar equivalent" drugs for which therapeutic equivalence is accepted based on "comparable" bioavailability determined in relative bioavailability tests.
The idea behind this comes from the strategic substitutability of tariffs in the same sector.
We find that in 2010 and 2011 all daily hours are substitutes for nightly hours while they appear to be complements for most daily hours; this pattern partially changes in 2011, when the degree of substitutability increases; in fact, daily hours are also substitutes for afternoon hours.
Also, as will be discussed below, it is useful in determining the substitutability, complementarity and independence of competing brands and products, and the structure of markets for consumer goods as well as presenting a form of analysis that could be invaluable to marketing researchers and executives as a means of understanding the factors that motivate and control familiar patterns of consumers' brand and product choice.
All in all, it can be concluded that another negative impact of immigration on natives can arise from imperfect substitutability of goods produced in the countries and international trade, because increasing amounts of goods in the host country relative to the rest of the world puts a downward pressure on their price.
The substitutability among different types of medical services is an important one for the health program because right mix of OP and IP care can reduce the health care cost.
The poem streams through a left-margin emphasis while moving from "The" to "Other." Much like the good substitutability of person the poem prefers to metaphor's private transmutations of figure, substitution can happen as long as it's linked to metonymy or anaphora.
Three of these six categories seek to assess the potential impact of a nonbank financial company's financial distress on the broader economy: size, interconnectedness, and substitutability, FSOC interpretive guidance stated.
The third stream of literature related to our work is product substitutability which has also been studied extensively in both Operations and Marketing literature.
In presents also our model for dynamic reconfiguration, and the notions of substitutability discussed in [10] are formally defined here.
The substitutability means that when the Fed buys short-term debt from banks, that does not insure that the money banks are receiving in payment will be lent out.
"This production concentration, in many cases, is compounded by low substitutability and low recycling rates," said a Commission note.
Nevertheless, the Commission invites RTR to closely monitor market developments and to change the market definition if its forecasts on the continued substitutability of fixed and mobile broadband products and next generation access network roll-out prove to be incorrect.
In the case of vertical FDI, results show that both the quantitative and qualitative effects of a higher domestic inflation tax on the domestically financed portion of FDI depends on the substitutability of the factors of production.
The iso-cost curves demonstrate substitutability between carcass disposal capacity and vaccine availability (ranging from one to five times the current available estimate) when the detection date is held constant at days 21, 18 and 14 (figs.